I had to stay in overnight as it was standard to, and I had the drains out the next day, although I have heard of people having drains in for longer than one night...
Yep, I leant on the tubing of the drain and it tugged and hurt - alot. Complete accident that is very easily avoidable though.
As for the journey you will be making, Im sure he will be fine. This is me assuming you are travelling by car and he will get to relax as a passenger...
Yes, I would recommend buying large cotton pads for wounds, and tape. I had these over my scars, and for longer over my nipples and had to replace them every now and then. The hospital actually gave me some to take home, so I didnt have to buy any, but Id imagine a regular pharmacy would do them.
As for certain activities, definitely no heavy lifting for atleast a couple weeks. Or swimming.
My surgeon said I shouldnt go back to work (which involves lifting) for about 6 weeks. My work needed this in writing though to allow me the extra time off. My surgeon wrote in only 4weeks. So, the day the 4 weeks were up, I had to go back to work, and while I could tentatively manage it, (they had me on lighter loads) I wish Id stayed off longer as I feel it contributed to the widening of my scars.
Stay clear of lifting, exercise etc for atleast 6 weeks,Id suggest, but after that, it is down to him to gather whether his body is ready or not.