Just think of the satisfaction you will get when you do prove them wrong yet again.

I actually had someone apologise to me when I said "remember when you said that I wouldn't be able to use cloth, well I did with DD1 for 3 years and now they are on DD2 and have been for over a year" She said "yeah sorry i shouldn't have said that and been a bit more supportive". I think that one comment blew all of the negative ones away