Thankfully for everyone involved, Della does know where to draw a line. If there's not 100% enthusiastic consent, she can back away gracefully.

.. Okay, maybe not gracefully, but still.

"Hey, you don't have to put up with me if you're not up to it. No feelings hurt." Two thumbs up. "I'm not looking for anything super serious anyway. I've got kids to think about, and I bet they'd be really embarrassed if they saw their mom trying to flirt."