He recently went back to visit his family in another country and things got strained. He and I had a brief fling but nothing to serious and decided we're better as friends. When he was here, we saw each other every week for drinks with our other friends and messaged everyday. Since he went away, he's been distant. I was understanding but then I realised how he wasn't really acting the same or like he was interested in any thing I had to say. I became clingy and felt myself losing self esteem and getting more and more hurt. I decided to block him and tell him that I don't want us to be friends anymore. I needed to block or or I'd just be tempted to talk to him again. I just don't want to have a one sided friendship like this. It hurts because I now realise how I valued our friendship more than he did, clearly, but I'm not angry at him. I just feel sad and lonely now knowing I have one less friend in my small circle of friends. I guess sometimes these things happen. 