Every two, but no need to use JUST a pump. Develop a circle of friends (male and female) to suck them.
Closer to three hours, just like when a baby feeds.
Two hours, whether by pump or more...er...natural means... ;) But ONLY if you also apply udder balm, to prevent chafing and cracked skin. Want to keep those babies nice and supple. :)
neither let me drain them for you
depends on how big are your breasts?? do they cause pain to start pumping to get the size down and keep in mind it'll work for awhile and stop
depends on how they feel?