Your DH is making dinner and asks you to make the mash whilst he pops to shop. When he gets back he first complains that the potatoes are not peeled properly, you explain that since he broke the potatoe peeler, its difficult. He moans and says we'll have to make do. Once boiled, you drain the water, add some milk - but at this point DH stops you and tells you you're doing it wrong with a "No! no! no! that's all wrong, you put the butter in first!" comment. You say "this is how I do it". He says "but its wrong! you don't do it like that". You say "I do". He says "but its wrong!"
So you say "do you want to take over?" and he says "yes!".
He then takes over the mash.
AIBU to find this quite arse-hole ish behaviour?