(This handy guide to the best dating apps should help, though.) You consider circling back to the guys on Tinder who just said, “Hey. When you're in your 20s, anything goes but in your 30s the dating game changes . The look I got from girls was like 'check out the old guys. There is a big difference between dating in your 20s and dating in your 30s. Here are 12 tips to navigate the scene from someone who knows.