Rear end saging
 

I have a 04 two door blazer and the rear end sags. i was wondering if its suppose to be like that and if not whats the easyest and the right way to fix this problem?

https://blazerforum.com/forum/steering-suspension-drivetrain-36/anyone-running-monroe-sensa-trac-coilover-shocks-41317/
<--- check that thread out &/or try a search for rear sag, squating etc... it's been covered & tons of info around