The SITS Girls writing-prompts-august for the day, "Life is too short to" ... to worry about what other people think of you. Having hit mid-life+ it can be so liberating to be able to dress how you like, say what you want, and be what you want. It is not too late to change careers (which I did) and go to college (which I am).
Life is too short to do things that you don't like to do. Granted there are some things that are expected and cannot be avoided, but when it comes to freedom of choice, it is ok to say, "no."
Life is too short not to play on the swings - even when you are no longer a child.
Too short not to cherish every moment with family.
Too short not to have a kick a** blog! *grins*