one, in the end a person only has themself.
It depends on how nice the person is. But I would say 2 or 3.
That really depends on the person. It is different for everyone. Some people are more sociable and so they have more friends. Other people like to be alone and are more introverted so they have less....
2000
a lot more than you think.... more than 100,000
The average facebook user has about 120 friends.