It is perfectly normal that as people mature, their taste will change.
it is normal
Yup. You are going through puberty it definitely is normal
that you wont have to do it twice.
No. It is not normal to barf, due to puberty. Maybe you have another problem you should get checked out.
Of course not! Most guys do have it though, its very normal.
It's normal.
If you are a man(or still going through puberty) this is normal.
No, this doesnt cause cancer. Cancers are caused by mutations of the normal cells, there is no mutation in puberty.
The best things about going through puberty include the fact that you are getting older and closer to being able to drive and do more things without parental supervision. If you are a boy, your voice will also get deeper.
uhh yeah, thats pretty much one of the main effects of puberty. deeper voice.
Once you pass and/or are going through puberty, yes.
No, looking purely at physical changes we experience exactly the same things as neurotypical children going through puberty.