How would you take it?

Lexie
Last week my boyfriend's best friend moved in with us. He slipped up a few days ago and told me about something that happened between him and my boyfriend when they were younger. They had a theresum with a girl his friend used to mess with back in the day. He's sitting here telling me in detail what happened and that MY BOYFRIEND was the one that fucked her and he was the one that got sucked up. He said he went to the bathroom and told them to go ahead and get started and when he came back they were "getting down" like who Tf wants to hear this? And my boyfriend doesn't want me to know because it's been so long ago and to him, it's just irrelevant, but if it doesn't matter then why be so secretive about it? It makes me feel like there are a lot of things I don't know about the person I call my love and also have a child with...