I think you don't see how much they do for you. I am terribly sorry that you failed your test, perhaps you could look beyond family for future aid in. Had you been paying attention to what was going on with the expectant mother, maybe you could have prepared a week earlier to have someone outside of family to count on. A business arrangement with a professional day care. As a mother, and a child, I can clearly recognize there are times I have expected my family to be there for me when actually, I was leaning on them to much. If you go to the family vacation resenting them for not being there when you needed them, instead of seeing that they have been there for you 90% of the time, you may cause a rift. Try to grab a hold on the idea that this was a learning experience that taught you how much you expect people to be there for you. Give them a break and realize your resentment toward them is actually your own fault.