12 weeks post microdiscectomy

Hello everyone I had a microdiscectomy 12 weeks ago and it has been very up and down. my physical therapist is suggestion slowly loading the spine, with squats and deadlifts, I was wondering if that would be beneficial, or if the risk would outweigh the good. He assured me we would start with little weight but im nervouse because I've heard so many mixed things on it. I'm a 20 year old male