Just ranting really. A small group of mums meet up every Monday at different soft play areas for kids to play together. I always drive the furthest, between 45 and 60 mins to get there as I live miles away from the rest of them. DD (2.8) loves going and playing with her friends. We already knew that this week there would only be three of us as one mum had a mandatory training day at work, another had a scan booked etc, one of the mums called off this morning with a cold, so that leaves me and my SIL with the kids. She phones me just as I was about to set off saying so and so couldn't make it as she had a cold and as she (my SIL0 had "loads to do" and had only just got up she wasn't going to bother. Am now going to take DD and DS2 to another one nearer home but DD is upset as she wanted to play with her cousin. This isn't the first time she has done this and I am getting really pissed off, it feels like we aren't worth the effort of getting ready to go out but everyone else is. AIBU??