He wasn't so certain that he would go so far as to call any of the interactions that he did with the others towards friendship, but he had noticed that some seemed more relaxed around him and even tried to tease him some. "How do you know when you're friends with someone?"

He tipped his head back, soothed by the assurances and the kisses, which they didn't often share. He lifted his flesh hand and buried it into Steve's hair, massaging his friend's scalp while his metal one returned to stroking and massaging the area on Steve's back again. "I enjoy doing this with you."