You can associate with your friends again , it’s better for people who are hands on learners or need examples and things explained to them , and your more likely to do stuff if your there in person
I will try to give you the best answer by completing your statement.
During a marathon, approximately 99% of your muscles needs are met by the OES or Oxygen Energy System. Energy systems are the ones encharge of distributing the energy you need for a certain act.
Flossing, brushing twice a day and stuff
It's called neutralization
Is this a rash? It may be from something your using. Like soap or lotion. Non scented products are best.