Answer:
Self Esteem is a positive or negative orientation to oneself.
Don't bring it up again until they seem happier and assure them that its okay
Running in the morning strengthens your heart, and improves stamina after a while.
Hope this helps! ^~^
There is a number of things you could do you but the best thing you could do is to leave the situation and go get help. You should avoid getting into it because that could just make it worse same goes with being defensive. I hope this helps!