It is so annoying when every time my MIL comes my SO leaves and does his own thing. He does the same…

It is so annoying when every time my MIL comes my SO leaves and does his own thing. He does the same shit when his FIL wants to hang out.. and then he says things to me like hanging out with him isn't that bad we hardly ever see him! Yea YOU don't see him... I do! Now it's the same with his mom. Urg