Re: Moving to Pakistan..!
Congratulations!
My advice to you would be that while you are in the UK, get your academic qualifications or job training to allow you to get a good job in Pakistan as soon as you get there... and KEEP WORKING after that.
That way, in case you have issues with the lifestyle, place, people, family, whatever, you will always have something of your own that makes you happy and gives you a paycheck, some freedom of movement and thought and will take your mind of any troubles. Being independent is the key.