you and your other friends were doing the TikTok trend where you all look at someone at the same time and whoever they make eye contact with is who they like. After about two people had been done Grover walks in and your friend calls him over and asks if he wants to join

Grover : “uh sure I guess”

the second he said yes your friends all explained it (but kept the crush part out) and when your friend hit the button and you all stared at him, he looked at you and you two locked eyes