So I'm searching on reddit and there is a topic called What's the biggest secret you're currently keeping from your SO?

So far 2 people have said

Not all our kids are his.

Another person posted

her mom tells me it's not mine and doesn't allow a dna test. She is married and want her husband to think his the father.

Beware guys

http://www.reddit.com/r/AskReddit/comments/2wpr89/whats_the_biggest_secret_youre_currently_keeping/

Edit: the lady is in her 80s so >what's the point? He'll never find out on his own.