I think he still wants to be your friend and maybe he's a little upset and just can't believe you aren't together anymore. He wants to hang on to you as long as he can.
Use the same principals as a regular breakup. Let them down slowly and explain to them that it wasn't serious (only do it in a nice way).
You don't, they moved on with their life and you need to move on with yours.
Is this a serious question? You breakup with him asap.
'I want to be in a serious relationship.'
Tell him, if you are serious about the relationship that means that you trust him and if you trust him just tell him.
Try Yangutu.com. It aims at serious relationship Mavenrestin.com is another website aimed at serious relationships, or at least long-term relationship building.
married
love
No!
If he talks with you or anyone else about marrying anyone, unless he's obviously joking, he has a serious relationship.
VERY serious!
No he does not want to be in a serious relationship right now!!!