These aren’t from my kids, but maybe I should ask…

How Do You Decide Whom To Marry?
You got to find somebody who likes the same stuff. Like, if you like sports, she should like it that you like sports, and she should keep the chips and dip coming. (Alan, 10)

The Personal Qualities Necessary To Be A Good Lover?
One of you should know how to write a check. Because, even if you have tons of love, there is still going to be a lot of bills. (Ava, 8)

What Do Most People Do On A Date?
Dates are for having fun, and people should use them to get to know each other. Even boys have something to say if you listen long enough. (Lynnette, 8)

How Would You Make A Marriage Work?
Tell your wife that she looks pretty, even if she looks like a dump truck. (Ricky, 10)

How To Make Love Endure?
Be a good kisser. It might make your wife forget that you never take out the trash. (Randy, 8)

These and a lot more are at Jumbo Joke, here and here.