Lungs with cause a reaction which feels like chocking and it’s worse with bronchial asthma trust me I know from personal experience
The answer can be both increase in self-esteem and increase in aggression. All of the research generally points to increase of self esteem because during puberty self awareness is very prominant which increases self esteem. I would be safe and go with self esteem. I hope this helps.
The answer would be the last one, take the time to heal