- He met someone else
- Other reason
Most Helpful Guy
You might be turning into a backup of some sort... I think he found someone he likes more, if it doesn't work out he's coming back
Don't believe me though, all speculation
Most Helpful Girl
He's gotten too comfortable in the relationship of whatever you guys share and he doesn't really feel the need to chase you anymore.
Also might be like you said, he's lost interest.
The only way to know is to ask.