Bro big or bro home. Robbie As social chair of Sigma Beta Psi, I'm the life of the party. It's what I'm known for, and if it's not fun, I'm not interested, simple as that. I'm not someone who overthinks. So when one of my brothers hooks up with a dude from another frat house, it catches me off guard when I can't stop thinking about them ... together. There's only...