It is a roller coaster ride for sure. I never liked roller coasters. I would always get off the damn thing wanting to puke. However, I do like the water rides, like log rides, roaring rapids , etc. Wow did I get off topic...
Anyway, yes he does sound very confused, and I know it's very frustrating for you. You just have to keep DBing, validate his comments, etc. It's hard but at least he is still there. That in itself gives you a great opportunity for DBing. Believe me, it's hard once the Walkaway has truly walked away. Be strong and stay dry!!!
Yours, D...
P.S. Here's one of D12's jokes:
A pirate walks into a bar with a steering wheel in his pants. The bartender says "Hey pirate, why do you have a steering wheel in your pants?" The pirate looks at him and says, "AARRRRRRRRRRGGHHH, it's drivin' me nuts!!!"