[Though a little startled by Kaveh's sudden withdrawal he notices quickly that it isn't due to something that he did. His hands lower back to the other man's hips as he fumbles to explain himself and given the kinds of things available to buy here it doesn't take much for Alhaitham to figure out what 'wearing something kind of unusual under this' could mean.
And Kaveh is right - he doesn't really have an opinion on it either way.]
You can do whatever makes you comfortable.
[The meaning is clear enough. It wouldn't be for Alhaitham's comfort that Kaveh gets up and changes, but the younger man is quite willing to let him up without protest if he wants to go and do it anyway. He isn't trying to keep him from getting up despite his hands still resting on him.]
no subject
And Kaveh is right - he doesn't really have an opinion on it either way.]
You can do whatever makes you comfortable.
[The meaning is clear enough. It wouldn't be for Alhaitham's comfort that Kaveh gets up and changes, but the younger man is quite willing to let him up without protest if he wants to go and do it anyway. He isn't trying to keep him from getting up despite his hands still resting on him.]
It's fine if you want to change. I can wait.