It's a type of drug, I'm pretty sure it's related to ecstacy in some way. Please do not do drugs, they're very harmful to not only you and your body but the people surrounding you, stay safe!
Answer:
Myology
Explanation:
Myology is the study of muscles
Answer: his pain when using the restroom
Explanation: His grades and difficulty obtaining a job are irrelevant. His aching tooth should be discussed with his dentist.
Hope this helps! :)