Men and their mothers!

Okay I'm sorry if this is just me but the relationship with some men and their mothers disgusts me. I've seen it so many times where boys get in a relationship, and in response of them pulling away their mothers want to grasp on as tight as they can. I get this is normal but it gets to a disturbing point. my mother in law is always doing baby talk to my 20 year old boyfriend. She is constantly showering him with money and gifts, touching him, and reminding me I can't replace her. She tries to get him to stay at her house saying I'm gonna get "bitchy since I'm pregnant". She buys him weed and gives him handles of liquor and beer. If he ever denies these things she blames it on me. She gets drunk and talks about sucking her boyfriend's dick to him and has laid passed out drunk with her pussy and boobs out in front of him knowing he would see (we were all sharing a hotel room). Moms never seem to act this way with daughters, if I have a boy I will make it a point to keep this weird sexual relationship out of my family.