[ He does pull away to remove his sweatshirt and undershirt before helping Sam out of his just so he can treat his eyes to the sight of his bare upper body. He is exquisitely well-built even if he is not quite at the same tier as a muscle-bound body builder. ]

There is nothing off-limits. If you wish to be rough, you can so long as there is no permanent scarring above the neck. The rest can be hidden. Also do be careful if you pull or bite my wings or touch my halo...

[ Speaking of which, he summons it from where he had it hidden in his messenger bag so it can appear back over his head, shining brightly. ]

It may not look like it but it does function like an extra limb connected to my nervous system.