Perfect English not important. English is also my second language.
It’s a long process to get back to 100%. Do your best to rest and let your body recover from the trauma of the injury and surgery. Eat well, but not too well lest you gain too many kilos.
To get better you need to rest/sleep. BUT to rest/sleep well, you need your leg to feel better. Chicken egg problem Again, try to relax and get lots of sleep.