You have to learn to say no without feeling guilty. Setting boundaries is healthy. You need to learn to respect and take care of yourself.
It’s a terrible thing, I think, in life to wait until you’re ready. I have this feeling now that actually no one is ever ready to do anything. There is almost no such thing as ready. There is only now. And you may as well do it now. Generally speaking, now is as good a time as any.
Hugh Laurie (via