Well at home you'll be away from people that do drugs. while you're home no drug well be around you.
Guys always want to be in control of their emotions—we like to be in charge. If he has trouble doing that around you, it's most likely because you make him nervous and excited. Don't take it for granted; help him to relax and he'll thank you by being a great guy you can depend on.
Answer:
If he/she is obese there probably eating to much. Meaning their nutrition isn't very good. Stunted growth, or if someone has tall parents, but their short. Their nutrition might be to low, or their mal-nourished. (here's an example of stunted growth. I have celiac disease [meaning I'm gluten free] but I have had so much wheat that my body was responding in a way where I wasn't getting enough nutrition, therefore making me short.). If someone is fit, they probably have a good nutrition intake. If someone is about average height, their probably eating healthy.