Ashton got in Sabrina's bedroom after a shower.
He is wearing a pajama bottom and a plain t-shirt.
Usually, during summer, he sleeps only in pajama bottom (or he is down to his underwear or shorts maybe), but since he is sharing the bed with Sabrina, he makes sure that he is covered up.
Why is Ashton covering up? He is not sure himself. It is obvious that Sabrina wants to go all the way, and he wants as well. However, so far, her relationship with Jackson was ambiguous (to him) so he decided to stay away (how much possible).
Jackson is not an issue anymore, but Ashton still finds it awkward just to get naked and to say, 'let's do it' because it should be spontaneous and romantic… and Ashton decided to wait for that moment. Whenever it comes.
Ashton glanced around and saw that Sabrina is not in sight. He does not hear any noise from the bathroom, so he guessed that she is almost done and will come out any minute.
