There is an old saying that I never really understood until I was old enough to understand it's real meaning. They saying goes like this:
It's better to have love and lost than to have never loved at all.
In other words: better to have started and tried, than to have never tried at all.
ninja edit: I don't know the origin of this image. I tried to find it, but it's been posted so many times everywhere that I couldn't find the source. I did though see it initially up on reddit.