[He winces, doing his best to keep his body relaxed knowing damn well it would help ease their joining and make it hurt less. His heart was beating fast, near flickering in his chest with excitement and fear. It hurt, he couldn't deny that, it burned as the other pushed his way inside but if they could just get past this... it would get better, right?
He's doing his best not to show too much pain, worried that if he did Aidan would stop and not go through with it. His fingers curl on his skin and he squeezes his eyes shut and just breaths through the discomfort. It wasn't bad but it wasn't without an ache.]