Definitely by not yelling. Taking away privileges might give them a different mind set. Also treating them to something when they have done something good will give them confidence to try to do it again instead of getting in trouble.
Yo I have no idea but if you typed it betta I would understand.
When your old enough to marry and know that you can truly spend the rest of your life with this person. Finding out your answer should at least take longer than 2hours if you say yes automatically while reading this then your truly not in love with this person