What you reap is what you sow. Applys to everything Including the giving and receiving of presents. If you are generous in giving and sharing, in return, you will get more than what you expect. If you expect only to recieve,normally, you will not get anything in return. The things you get might not only be in physical form but might in emotion form. Like how did you care for someone when they are feeling down, sick.
I am not angry. I am just overwhelmed by what the answers I got. =)