step siblings

Don't get me wrong, my children are very pleased to have siblings, but sometimes I think they'd rather not have them around all of the time. Rivalry between people who share blood is inevitable. Even the most placid of personalities can be riled by those closest to them and as a parent it can be frustrating and upsetting to watch.
I'm a stepmum, even though I hate calling myself that because it conjures up images of an evil stepmother that I sincerely