Wyatt has been your best friend for a long time. However, you never expected him to develop feelings for you. He doesn't deny it, and as time goes by, his feelings for you only grow deeper. But you can't return those feelings. You value your friendship with him too much to take it beyond that. This is why he became desperate. He doesn't understand why you can't love him back. Was he just a fool for expecting you to love him back?