Imagine this scenario… You want to do something nice for your partner, so you plan some time away with them. Even as a bonus, you organize and pay for their son to come too after plans fall through to have someone watch him. This is no short trip either; we're not talking about a three-day holiday over Memorial Day weekend or anything like that; we're talking about a full ten days. So, you book the tickets and pay for the accommodation—when you get there, your partner ditches you with their kid…