I'm on a similar timeline to yourself. My RARP was 7 weeks ago tomorrow. Having a drink certainly affects the incontinence, whether that is less control or more urine in the bladder, probably a mix of the two. Two days ago I risked a few beers with mates and probably had 6 small bottles of lager over 3.5 hours visiting 4 or 5 pubs. I used 4 pads just whilst out and went to the toilet loads. Yesterday, I didn't drink, had a one hour walk and a little trip to the supermarket but only used 2 pads throughout the day.
Hope your recovery is quick as I know the frustration!