You know, it won't be weird when you're 60 and they're 56.
Not saying it's not weird now, because it totally is, but you know how it is, the lower end of your dating bubble will drag its feet for a while while the tops of theirs will keep on rising and soon enough they'll meet--it probably won't even be so weird when you're 24 and they're 20. It's the "teen" part, the fact that you have to say the "teen" part