No, I would say the beer actually cooled down! The bottle was in the warm (/hot) kitchen while I was cooking dinner, but I drank it in the cooler living room. Had another bottle of it (I got a selection of M & S beers) last night. My first impressions of it was correct, a bit watery but after a while I didn't notice it. Probably due to the bitterness of it deadening the taste buds or something like that.
The M & S Cornish IPA is lovely, the Adamns Southern Sea is weird, I'm not too sure of the spicy wheat malt taste. The other (I can't remember the name) was okay, a bit watery as said above.