So my brother (35) married my sister in law (43) a handful of years ago. They tried to get pregnant and even went through IVF, but it did not work. At this point SIL is done and over it and feels she is past her time to have kids. Brother cry’s because “all he’s ever wanted is a family”. Brother continues to call her an “unbarren wife” in arguments.

SIL also has a small drinking problem, instead of researching what he can do to help or support her, he only try’s to control her and what she does. Even if she’s only had 1 drink he will tell her she’s drunk and stumbling and can’t talk right(she’s fine, tipsy at MOST)

Brother will have angry and violent outbursts while watching tv and scream at the tv. He also hangs the fact that “they aren’t technically married bc they didn’t get married in a Catholic Church” over her head. (He’s VERY catholic ,she is not)

SIL also recently lost her mother and her father is struggling bad with dementia.

What should I do to help?

(TLDR- brother is catholic crazy asshole and idk what to do to help my sister in law while she is struggling)