Don't be an idiot. It isn't as if I don't already know that Porthos is important to you. [And most important, etc]
[... Just a little surprised, since the way he carried on, made it sound like he'd spend more time with him]
[Sits up, touching his hair and then his shoulder, frowning thoughtfully] It's alright. You should do what you want to do, Aramis. If it's going to bother you and make you act strangely... it's not good, right?