Yes. If they're 21, then it's a different story because they might be living on their own. Not while under their parents' roof.
I’m torn. On one hand I’m thankful the kids aren’t going the pp route. On the other hand I wonder the true character of “Grandma”, abstinence wasn’t discussed I guess.
My wife and I both had and have talks with our daughters. As of the most recent conversation with mom they said they’re still pure. Oldest said she’s waiting until marriage and she is an adult.
In order to raise good, well adjusted kids you have to be a parent first.