when your large dog sits in your lap, you can no longer feel your legs but he just looks to darn comfy for you to make him move.
LOL Yes i know this one well, a friends 50KG/ 110 lbs Rottie x was quite comfy on my knee but i did not want to wake him so i could go get another drink.

Val your post sounds very familiar aswell LOL.. the things we do.