I said, word by word, "they are mostly choices".
most·ly
/ˈmōs(t)lē/
adverb
most·ly
/ˈmōs(t)lē/
adverb
- as regards the greater part or number.
"I grow mostly annuals"
Similar:
mainly
for the most part
on the whole
in the main
almost entirely
largely
chiefly
predominantly
principally
primarily
substantially
- usually; generally.
"the weekends were spent mostly alone"
- usually; generally.
You stated obesity is a choice. For some it may be, for some it isn't. You also stated homosexuality is a choice. For some it maybe for some it isn't.