L5/S1 fusion last week. How long does this initial really bad pain last?

Well after 3 microdiscectomies I now had a fusion done of the L5/S1 disc last week. At the same time a laminectomy of a disc a bit higher up. It was soooo much harder than I had expected. I was in surgery for a while and then 2 and a half hours in the recovery room before being wheeled back to the ward. I basically cannot remember anything of that day, like a massive black hole really. The day after they tell you to get out of bed and when I did not look happy about it they basically told me to suck it up as “it’s good”. They clearly had never had it done to them ! Anyway could not stand up so was allowed back in bed. Day after that they thought a shower was a brilliant idea 🙄. Definitely did not fall for that one and no persuasion changed my mind. No just give me a bowl for now. Anyway things very slowly got a bit better. Day before leaving I had to walk up some stairs, managed it although it took forever. After that I was declared fit to go home 🏠. Been home 4 days now and by golly the pain is still as bad as ever in my back. Question is how long did it take you before the pain became a bit more bearable?