Yeah, my partner and I cook together all the time and it's great! I also enjoy cooking for them and them cooking for me though.

This

Same here. Only times we have gotten annoyed or even angry, has been when there has been other issues underlying, like being annoyed at something they have done etc.. Normally both cut veggies, other starts to cook and add spices while other cuts the last things, then cleaning while the stuff cooks. Works well and so much faster.