It means he's being a snob. Essentially, he doesn't think you're capable of understanding him. Chances are that he's insecure with himself, and this is his way of telling you "I'm not very good at intimacy."
It probably means he may be a bit insecure. He likes you for sure, he just doesn't know what to do.
He's not insecure. But there is something holding him back
When girls are mad at a guy, it makes the guy insecure. They don't like feeling insecure. To fix their problem they try to make you happy.
he becomes insecure
Because they're insecure.
It means he's insecure about his feelings.
In general, everyone is normally insecure in one way or another, and some people show it more than others. If the guy is insecure about something specific than maybe it's a touchy area for him. It just depends
It means he wants to break up with you, he thinks it will not work out
You need to find out why he feels insecure and if you love him you need to reassure him of your love. If you are doing something that makes him insecure in the relationship, you should stop doing it if it is damaging your relationship.
Act extremely mature and don't be insecure.
No. It may mean he is just insecure.