Depends on the friend and what he/she might need
It depends on what kind of advice you need. If it's really personal, confide in a close family member or friend. There are many people who can give advice, such as therapists.
just say i want braces and give reasons why and also tell them why you need them with reasons too
lot of happiness & support when in need for being my friend
If a question states "Give two reasons why." then yes, generally you will need to explain your reasoning.
Yes
If you need to ask, no one.
You will need to find people online at message boards and give them your Friend Code in Pokémon SoulSilver and they will give you the Friend Code from the game that they will be trading with you with.
You need to give the time and place.
To condole, or give support to someone in a time of need. You give your condolences at a funeral for example, or you give your condolences to a friend in a time of need. You give your thoughts.
Just tell them you need it back. If they're really your friend they will understand and give it back.
No celebrity would ever give personal information to anyone but those who need it to do their job or personal friends.