Been with my partner coming up to 5 years. We have a 3 month old together. His brother had a bit of a breakdown after the baby was born. Not sure why. He started acting up. His brother is 24. My partner had to be there for him so we didn't get to have that "newborn bubble". His brother now is starting to get slowly back together but occasionally plays up a bit. He still lives with his mother and on sat eve he bought back a woman from a night out. My partner had to give this woman a lift home the next day. This has left me feeling really odd. I feel that if he is old enough to bring home a one night stand then he is old enough to sort out the next morning. I know technically my partner hasn't done anything wrong but I just have this annoyance at it. Happy to be told that I'm completely over reacting. I am aware I'm very hormonal at the minute and able to make a mountain out of a molehill.