You were born in a steroid family, they were all steroid addicts. Your dad maybe 230lb of pure muscle, has a 6 pack but his not so healthy due to the fact he take steroids. Your brother also takes steroids, his quite too conscious about how he looks. He watches those "be a man" videos and he never skips gym day. Your mother cooks tons of food for them because she knows your dad and your brother needs tons of foods to maintain this size.