It's easy to cancel if you only have one child

Last Wednesday, we were supposed to go to my mom's hometown. The night before, she said she won't be able to come, so I said, "Well, if you're not going, we're not going." Two hours before our supposed departure, my dad said, "I'll pick you up at 6:30 PM, be ready." I explained that since my mom is not gonna go, we (the fiancé and I) will not go either. My dad sternly answered, "We already made a…