The drive back to the villa became increasingly difficult for Xu Chen to survive calmly.
Not because Aum spoke too much.
Because he didn't.
The silence inside the car had changed shape completely after the kiss beside the tree.
It no longer felt neutral.
Every small thing inside the enclosed space carried awareness now:
the warmth lingering along Xu Chen's mouth,
the faint scent of cedar and tea around Aum,
the memory of Aum's hand tightening briefly against his waist before they separated enough to breathe again.
Xu Chen kept both hands firmly on the steering wheel.
Partially for safety.
Mostly for survival.
Beside him, Aum sat unusually still in the passenger seat, his attention fixed intermittently on the passing lanterns outside and then back toward Xu Chen in patterns subtle enough that most people would not notice.
Xu Chen noticed every single one.
That had become another problem.
The roads near the old town remained crowded despite the late hour. Festival vendors continued setting up temporary stalls beneath strings of hanging red lights while tourists wandered unpredictably across intersections carrying paper bags filled with flower cakes and grilled skewers.
At one crossing, the scent of caramelized brown sugar drifted through the partially opened window from a nearby stall making freshly pulled milk fan candy.
Aum's attention shifted instantly.
Xu Chen noticed.
"You're hungry again."
Aum looked at him.
"The smell was distracting."
"That's not a denial."
A short pause.
"The rose cheese altered my appetite baseline unexpectedly."
Xu Chen laughed softly under his breath.
"That sentence sounded deeply personal somehow."
"It was biologically accurate."
"Still dangerous."
Aum watched him quietly for another moment.
Then asked:
"Why do you appear calmer while driving."
Xu Chen glanced briefly toward him before returning his attention to the road.
"Because driving gives me something structured to focus on."
Aum considered this.
"You require stabilization after emotional overload."
Xu Chen closed his eyes briefly for half a second at a red light.
"Yes."
"You are overloaded now."
"Yes."
"Because of me."
Xu Chen sighed.
"Yes, Aum."
The answer came with enough exhausted honesty that Aum became still afterward.
Outside, festival drums echoed faintly somewhere deeper inside the city.
The traffic light changed.
Xu Chen drove again.
Several minutes passed quietly before Aum spoke once more.
"I am also overloaded."
Xu Chen's grip tightened slightly against the steering wheel.
That should not have affected him as much as it did.
Still—
warmth spread slowly beneath his ribs anyway.
"You hide it better," Xu Chen said quietly.
"I am trying very hard."
Xu Chen looked at him again briefly.
And there it was.
The truth of it.
Aum really was trying.
Trying to understand Earth.
Trying to understand emotion.
Trying to understand desire.
Trying to understand Xu Chen.
The realization softened something inside him instantly.
Dangerously.
Xu Chen looked back toward the road before speaking again.
"You know," he said quietly, "most people would probably be terrified if they found themselves emotionally attached to someone from another planet."
Aum's attention sharpened immediately.
"You are not terrified."
Xu Chen thought about it carefully.
Then answered honestly.
"No."
Aum watched him in silence.
Xu Chen continued driving through the lantern-lit roads of Dali while the city slowly thinned into quieter mountain streets.
Finally Aum asked softly:
"Why."
Xu Chen's chest tightened unexpectedly at the question.
Because the answer had become simple now.
He turned onto the upper mountain road leading toward the villa before answering.
"Because when I'm with you," he said quietly, "everything somehow feels more honest than before."
The silence afterward filled the entire car.
Not heavy.
Just real.
Aum looked at him for several long seconds.
Then very softly:
"I think that is happening to me as well."
Xu Chen's pulse shifted immediately.
He stared straight ahead at the winding road instead of at Aum because he already knew looking directly at him after hearing that would become dangerous again.
The villa finally appeared through the trees several minutes later, its exterior lights glowing pale gold against the mountain darkness.
Xu Chen parked slowly near the entrance.
Neither moved immediately afterward.
The engine turned off.
Silence settled.
Different from earlier silences.
Closer.
Aum looked toward the house first.
Then back at Xu Chen.
"The structure feels unfamiliar now."
Xu Chen frowned slightly. "Because you moved out?"
Aum shook his head once slowly.
"No."
His gaze lingered on Xu Chen afterward.
"Because I am returning differently."
The sentence entered Xu Chen quietly.
And stayed there.
Xu Chen pressed briefly at his forehead before laughing softly under his breath.
"You really need to stop saying things like that unexpectedly."
"I did not intend emotional destabilization."
"That makes it worse."
Aum watched him with faint visible warmth in his expression now.
Not amusement exactly.
Something gentler.
They stepped out of the car together.
The mountain air felt colder here than in the old town. The sounds of the festival had faded into distant echoes below, leaving the villa surrounded mostly by wind moving softly through trees and the faint hum of insects in the garden.
Xu Chen unlocked the front door.
The lights activated automatically inside the hallway.
Aum stopped just beyond the entrance.
Xu Chen turned slightly.
"What."
Aum looked toward the interior of the villa quietly.
The guest room hallway.
The kitchen.
The dim staircase leading upward.
Xu Chen realized suddenly that this was the first time Aum had returned here after leaving.
Not as shelter.
Not as responsibility.
Something had changed too much for those earlier definitions now.
Aum's voice came softly into the quiet house.
"It no longer feels temporary."
The atmosphere inside the villa shifted around them.
The familiar spaces suddenly carried memory now.
Late-night tea.
Shared mornings.
Quiet conversations.
Absence.
Longing.
And tonight—
kisses.
Xu Chen became acutely aware of how alone they were inside the house.
The realization altered the air almost instantly.
Aum noticed the shift in his breathing immediately.
"You are thinking now?"
Xu Chen laughed weakly.
"Yes."
"About."
Xu Chen looked at him steadily for one dangerous second.
"The fact that bringing you back here tonight may not have been a very intelligent decision."
Aum became still.
Not alarmed.
Focused.
The hallway lights cast warm shadows across his face while silence deepened softly around them.
Xu Chen could practically feel the atmosphere tightening now.
Aum stepped closer slowly.
Not enough to touch.
Enough that Xu Chen's pulse reacted immediately anyway.
"You regret the decision."
Not a question.
Xu Chen looked at him helplessly.
"No."
Aum absorbed the answer carefully.
Then asked very quietly:
"Then why was it unintelligent."
Xu Chen exhaled slowly.
Because the truthful answer had become impossible to hide and difficult to share.
"You already know why," he said softly.
Aum's eyes darkened slightly at the sentence.
Xu Chen felt heat spread instantly through his chest at the look in them.
The villa suddenly felt far too quiet.
Far too private.
Aum's voice lowered.
"I believe I want to hear you say it."
Xu Chen stopped breathing properly again.