This is a great video on what it takes to be happy. It comes out of a 70 year long Harvard study, following Harvard Law graduates across their lives. Not in any way related to start-ups but a fascinating video.

One of the comments I like best is recognising the stress of being 25-35 when you still have no idea of whether you’ll end up making your mark.

http://link.brightcove.com/services/player/bcpid1460906593?bctid=22804415001

Photo courtesy of Flickr: bastique