No, we can't believe it either, but Dave is building Dermot a mancave.
Yep, they are such besties that Dave is donning his workman pants, his hi-vis and his hard hat and living his best DIY life. Dermot, in return, is making tea and a decent sausage sambo.
There is a small complication however, and that is Dermot's garden which was recently expertly done by none other than Diarmuid Gavin.
Needless to say, Diarmuid has some concerns and he joined Dermot and Dave with some tips on how to not totally ruin his hard work.
You can catch the chat by clicking play above.