Because when it's for yourself, you see the issue from inside, you can never look at it from another prespective, also when you take someone else's advice you get the chance to blame someone else than yourself ;-)
Ma3lesh kont busy yesterday.

Good friend this is the toughest part of being an adult. Making Decisions! I'm sure you remember your teen days when you thought you knew everything in this world and wished you could make your own decisions with no interfering with your life.

C'est la vie as the French say.