If you find it difficult to celebrate your own achievements, you may have a tendency to sometimes be self-critical, lonely, and perhaps a little resentful. I can say this because I've lived this myself. Here are some tips to embrace your own achievements fully, without qualification.
It's easy to think that it's other people who are driving you crazy, but in reality, it's your reaction to other people that causes the angst. Sometimes we don't even need other people. We can work ourselves up into a lather over our own messes.