Well done Mac!!
No questions the Paleo thing works amazing. A simple philosophy is just limit what you eat from a packet. It's simple to do and the best thing is you do not get hungry.
Don't listen to them about the powders, if you want to really push yourself as much as you can you have to eat well, sleep well and protein and fish oil are the best you can get. The #1 comment I have heard is that 'you can't out train a bad diet' super true, if you don't eat well you can't even train as much as you want to as the recoveries will slow you down. The other is that weight loss comes from the kitchen, fitness comes from training.

After packing on 8kg in a month in Thailand and a sore shoulder before I left I am back on the program as well, 2 weeks and I am 4kg down already and the lungs are releasing again. Soon I'll be able to keep up with Lacey again!!
Good luck mate!!
PS Kelly Margetts put us onto some supplements from Punish in Miami, they are a boxing brand who have made proteins for people that are not looking to build mass but simply provide what is required for your body to repair and recover quickly. Sugar free, and all natural. I have a mate who is dual Qld kickboxing champ who told me in the Muay Thai and boxing circles this is the only stuff they will now use.