Side effects/pain/recovery for BBL? As you age, will it start to look disproportional/lumpy?

I recently got BA and i have to say it wasn't that pleasant.. felt very bloated/constipated, heavy, and just felt sleepy/tired all the time and very uncomfortable. Now I'm curious if the pain is worse for BBL and how is the recovery do you feel sick for days to come? My other important question is if it's risky that the fat can be injected too far that it can travel into bloodstream and possibly kill you. (my fear) Any other important info/advice that i should know please let me know , thx much!