To be a good angel investor, you have to be a good judge of potential. That's what it comes down to. VCs can be fast followers. Most of them don't try to predict what will win. They just try to notice quickly when something already is winning. But angels have to be able to predict.
Yes it is because at a particular period of a persons life when he or she need someone who stays with him care etc etc...
Marriage brings a sense of responsibility on both male & the female and it has been a like a revolution in a persons life if seen in a way.