I think it's probably best to work out in the morning to get it out of the way. My ultimate top tip is to drag yourself, even if you have to roll yourself out of your bed and in to a sit-up - it's really not that bad once you start.
What I learned from Lennon was something that did stay with me my whole career, which is to be very straightforward. I actually love talking about taking pictures, and I think that helps everyone.