Even if they explicitly look you in the eye and say, "hey dummy, I'm flirting with you," romance is complicated and the nerves can turn us all into full blown idiots. It's hard to put yourself out there and be vulnerable in a romantic setting and it's even harder to realize that you thought someone was into you and they actually weren't at all. Sometimes, the risk is too scary to trust your instincts but love is worth it! (That's what rom-coms tell us).
When a recent Reddit user asked women of the internet, "What is the most obvious sign you gave to a guy and he didn't get it?" people were ready to share their failed attempts at flirting. It happens to the best of us!
Sat on his lap. He got up and found me a chair. Thanks, Andrew.