They wanted us to be there no matter what.
So, does “no matter what” mean they are willing to pay for the trip?
Women are taught that that this is the one time it is socially acceptable to blatantly boss people around, and that others are obligated to obey them.
They are wrong.
There is a concept called Princessing. It states that parents (mainly fathers) coddle their daughters to the point that the daughters, once adults, are wholly unable to operate as a normal person in our society. This is an example of that.
I was once invited to a friends wedding. She was a chick. It was in Hawaii. I was broke. I either went to the wedding or I made my car payment. She pressed me hard. I was made uncomfortable, as if my absence would fully ruin her day. I finally manned up and told her tough shitski, and we are no longer friends.