It's bad to be addicted.
Meg has kids, but she has been going through a lot of stress lately due to her parents passing away.
Meg wants to get rid of her pain.
Meg starts working out and eating vegetables to get her body right.
Meg starts using crystal meth because she likes the feeling that it gives her.
Meg is in a better mood to take care of and have fun with her kids.
Meg's kids don't get the support that they need to thrive, and Meg suffers.