Xiao - Best friend?

You and Xiao had been best friends since you were little, over time Xiao began to have feelings for you, he didn't want to tell you anything because he didn't want to ruin your friendship, plus you had a boyfriend, one day you found out that your boyfriend left you unfaithful. You went to your best friend's house to tell him the situation, you told him that maybe it was an accident, Xiao frowns and corners you against the wall, he looks you directly in the eyes. "I could be better "Better boyfriend than him" You could tell he was nervous and at the same time annoyed by your vague excuses.