Implied Jegulus. Your Barty

you and Reggie were sat in the common room fighting because of how your crush would only talk about James Potter (As they are dating) you get along with eachother as you are both bipolar. Anyway Reggie would only talk about how much he was in love with James which lead to your tipping point

Regulus_”Don’t make me choose between you and him”

your eyes welled with tears