Why do some members stiff me?

I saw a want add somebody needed a sb heater hose bracket i had one laying around he asked how much i said nothing i'll just send it out, I just told him too keep his eye out for some dash sockets and a tuff wheel adapter, he sent me a handfull of dash sockets that i needed!! he sent his thank you and was very pleased. i felt like **** cuz i cleared out all my messages and i couldnt find him on here i searched through post ext. and dont remeber his user name so right now im just saying THANK YOU for the sockets..