What a shining example of what not to do.

You certainly cannot please everybody

Who even uses the chat feature on Venmo?

The brother has the audacity to get mad about the “private” details of his four existing kids being told to his future wife. It's pretty safe to say this guy had no intention of telling his own fiancé about his complicated family tree, so good on OP for letting it slip. The hell does this guy think he is, just Mr. Magooing his way into making all these people. It's not like you can just slip on a freshly waxed floor and accidentally get more than one woman pregnant. This guy needs locking under…

Cook your own damn turkey.

It's okay to say you met on a dating app.

Uuhhhh...

She repeatedly said she didn't want it.

Dude, come on.