i hope this is okay! i'm completely canon blind.

[ It seems he's always running. Twisting, turning, lost. And regardless of those circumstances, regardless of anything, he's found himself pulled in an unknown direction. He doesn't know why, and especially now, he doesn't question it. Castiel is floundering in his own lack of faith, confused as he looks about and keeps on moving. If he stops too long, others might find him. They might take him and do whatever it is they wish without any regard to his well-being. So, he has to keep going.

It's on a particularly close day that he stumbles upon her, fear a very real emotion as he pauses and assesses the situation. Perhaps it makes his judgment sloppy, a bit careless. But he approaches her quickly, hand on her arm as he guides her back into the shadows of a building to hide them from whomever has found him. ]

I'm sorry. [ Barely a whisper, and it's not even a proper apology as he presses his mouth to hers. ]