It is hardly possible to maintain seriously that the evil done by science is not altogether outweighed by the good. For example, if ten million lives were lost in every war, the net effect of science would still have been to increase the average length of life.
I'm in a relationship, and I've been in one in a while, but all the people I've been with at various points - and I've had sequentially monogamous relationships my whole life - were all the right people at the right time.