The context of the following conversation is Austin was grounded for a month because they played with video games too much that they missed school.:
Austin says I can't believe my parent's grounded me for an entire month!.
The friend responds Well, they did warn you quite a bit to ease up on the video games..
Austin responds I don't understand why it bothered them so much..
The friend responds It's because your grades were slipping at school Austin..
Austin responds Well, it's my life, not theirs..
The friend responds They care about your future Austin..