I went to the birthday party for the son of a friend of mine a couple months ago. Most of the people who came, I had never met before, but I was friendly and tried to talk to everyone. A few weeks later, my friend texted me and said that one of the moms at the party asked her to ask me if I would like to come to her son's birthday party. She booked a party at a bounce house facility, and they had a minimum number of guests she needed to pay for. A few of the kids couldn't make it, so she didn't want the spots to go to waste. She asked if I wanted to go and bring my son. She said we didn't need to bring a gift. What would you do?