Identify and explain at least 2 reasons why high school may be viewed as risk factor in terms of contracting an sti and/or becoming a parent.

They are viewed as a high risk because those 4 years are the toughest. Pressure is real, girl. Kids will do anything to be "popular"
and hormones are HIGH.
Boys are changing, getting more muscular.
Girls are getting thicker, growing breast and everything. 
 
Everyone is getting attracted to each other, and some don't think about the consequences that will happen if they fall through.  

Ofc they have feelings,
dogs are always so happy to see their friends/owners
Cats show care and comfort when they purr and rub on people\objects
Reptiles, when In captivity show insecurity when their home is too cold or too hot by staying in hiding
Much more the list can go on :)