Good Riddles

Question: Many have heard me, but nobody has seen me, and I will not speak back until spoken to.What am I?

Question: A man goes out drinking every night, returning to his home early every morning. No matter how much he drinks, he never gets a hangover. This drink is very well known, but is rarely consumed, served warm and taken straight from its source. The man is a sucker for a free drink, especially since he can't live without it.

What is his favorite drink?

Question: What 3 positive numbers give the same result when multiplied and added together?

Question: Smell me, buy me, and deliver me.
I won't change.

What am I?

Question: If you have 30 white socks, 22 black socks, and 14 blue socks scattered across the floor in the dark, how many would you have to grab to get a matching pair?