I will answer to each of the following chronologically. Number 2
qn I can't really help you figure because I'm not very particular
into GPA points, you can ask for your closer siblings, family
members, relatives, your trusted friends or your teachers
directly
1- I think the best time to do in the holidays is to find some
things that is important to you first, what are the things that you
find plesant and fullfiling to do; such as writing diaries to keep
up with your languages, giving services to others, providing
solutions and suggestions to those in needs online, or volunteering
some events at meetup.com to enhance you interaction and
significance
- There are good and bad company all around us, those that are
not too self centred, typically generous, compassionate, honest,
specific and sincere to your acceptance, are those that you can
count on. Even though the possiblity is slim for backstabbers, you
should void those that are too active, meaning those who make a fun
lot of out of you, either online or on the spot that can leave your
emotions hurt or those who posseses an 'erotic' impulses
type.
After all, you're still at a
growing phase, don't relate to something that has not even happen.
Cherish the moments and cheers!