Stop putting an effort into those who show no effort towards you - Very true. I've opened up my eyes and realised that I put in way too much effort with people with very little in return. If I didn't make any effort or have to ask I wouldn't hear from them. All of my effort will go towards my kids the rest can jog on!
I had this friend and I thought we were going to be best friends forever. I used to be part of the circle and now I'm not. And to be honest, it's OK. Find friends that will always support you and don't make you cry unless it's with laughter.