A: Did you get the invitation to my party? B: The invitation came in the mail yesterday. A: I was worried it got lost in the mail. B: Unfortunately, I can't go to your party. I wish I could. A: I'm sorry to hear that. B: My mother-in-law is visiting that day. A: I'm really sorry that you can't come. B: If I could sneak out of the house, I would, but my wife would kill me. A: I wouldn't want that on my hands. B: The next party you have, I promise I will be there. A: What if your mother-in-law visits again? B; Thankfully, she only comes once a year.