I agree with Fur if you are 4/5 of the group than you get 4/5 of the loot.

Granted I do not group much why run 4 when I can run 5 unless one of my brothers is the 5th I box alone 99% of the time. When I feel like grouping or raiding I have a character specifically for that. I enjoy the challenge of MB'ing but most of all the freedom, I know my wife prefers it she knows she can easily drag me away from the computer at any time.