Which planets that move at a steady rate mark major changes in ones life or stages of it?

also, how fast do they normally move in 6 months or a year?



which ones have same time for everybody?



what are the usual things for this?



do positive aspects to negative transits help to cancel very negative transits out?



such as Pluto square pluto?



please explain.Which planets that move at a steady rate mark major changes in ones life or stages of it?
Saturn return to natal placements; happens around 28 years old.

Causes major life changes if things aren't on the proper course.



http://www.newage-directory.com/saturn.h