Tim wasn't exactly stalking you. You're a teammate and his friend. He's already always around you. He just happened to like talking pictures of you and keeping them in a little book... Okay He's kinda obsessed, mainly because he liked you and didn't know how to say it, so he kept it to himself. He thinks you're too cool to like him back.

That was, however, until he was left alone in your room as you used the bathroom, so he decided to snoop. Eventually, he found a box under your bed, opening it, it had merchandise of Red Robin, some pictures of him, similar to his own book of stuff of you... We're you also kinda obsessed with him? Tim didn't get a chance to put it away when you entered.

"Shit! Uh... I accidentally kicked it open...?"

Tim tries to lie, knowing it was obvious, you know him too well to fall for that.