Answer:
YES your whole life would change because you have a responsibility. you will need to protect and look after them. you wont be able to go see you friends as much. you might feel tiered all the time. you should wait till your financially, physically and emotional ready for one and maybe the right age.
Hydrogenated oil. It is very bad for the health and should be avoided at all means. It can be found in margarine, some peanut butter, butter and so on.
C because you need to warm up every body part before you do your excercise :)