Examples of using "なくなるよ" in a sentence and their english translations:
"Yeah, it'll go.
Soon you will find yourself friendless.
Soon nobody will have anything to do with you.
Your selfishness will lose you your friends.
- You are not going to make it in time for school.
- You're not going to make it in time for school.
- You aren't going to make it in time for school.
I'll have to fire you if you come late so often.
If you buddy up to everybody and anybody, pretty soon people will think you're just a people-pleaser.
If you are not firm with the children, they will get out of hand.