Some people love to complain... and I wonder why they do that? It's a futile thing to do... but I guess it does somewhat helps them to feel better about the situation... or maybe just make it worse. Either way, it's important to be able to understand where you're at. In understanding where you're at, you're being productive and not complaining. When you complain, you waste the valuable time you could be using, and instead of going towards your goals, you'd be walking backwards away from it.
Instead of complaining, do something about it. Think about the next step instead of where you're at. Complaining doesn't change anything, and so forget about it and improve your situation.