I was the same as you - had 10 months of symptom free using Decapeptyl. I had my lap in August and was found to have severe Stage 4 rectovaginal endo and also adenomyosis As I had been great with Decapetpyl my consultant and I had decided during the lap to take out my ovaries and tubes (I am 43 and no desire to have children, fortunately) so I am not on HRT. We hoped this would alleviate the endo symptoms.
As for the lap, the first 3 days I stayed in bed and rested, I was stiff and sore to get in and out of bed but didnt need anything other than paracetamol to keep the pain away. My tiny scars were fine and I can hardly notice them now. I was off work for 2 weeks and just took it easy with no lifting, ironing and went for walks every day to build up my strength. I think that listening to your own body is best as everyone is different. I probably could have gone back to work a few days earlier than planned but decided to take the full two weeks to ensure I was fit upon return. It paid of for me as I was fine.
Unfortunately 3 months in my symptoms returned over the weekend, albeit to a lesser extent. As my endo is still in there, the consultant is saying that a full hysterectomy would be the next step.
If I was to offer any advice - ask them to treat any endo when they are in at the time of lap to avoid having to have further surgery at a later date.
Good luck and hope all goes well.