So you have to do the prep, like cutting everything tiny for stir fry? What is your favorite type of food to be involved in cooking? Italian, French, soul food? Bologna sandwich?
Yes, I'm definitely in charge of stir fry prep.
On my day off I make stuff that we can freeze and use on days when neither one of us can cook. We eat Italian, Indian, Thai, Mexican, American..... Right now in the freezer there's eggplant curry, Cuban black bean soup, lasagna, lentil curry, several kinds of meatballs, marinara sauce, pesto, spinach curry (I ran an Indian restaurant for awhile, I love making curry). I also love soul food, barbecue/smoked meats, New England style seafood, California style veggie centric cuisine, and anything spicy or spiced.
Most days my wife is home by 6 but I'm not until 9 or 10. So I trained her to cook and she's damn good. She likes to work from recipes. When I'm working late and she has time she makes stuff. Often she'll give me the recipes she wants to try a few days ahead of time and I do all the knife work. Stick it in Tupperware in the fridge. We only eat out once every other week or so and when we travel. But even then we like to do AirB&B and stay in apartments with kitchens so we don't have to eat all of our meals out. When she finds particularly badass recipes I steal them and use them at my job.
Her favorites to make off of the top of my head
Santa Fe Chicken Chili
Tomatillo Chicken Chili Verde
Thai Basil Ka Prow Chicken
Zucchini Noodles with Marinara and Meatballs
Teriyaki Salmon with Black Rice and Bok Choy
Moroccan Chicken and Cous Cous
Coconut Shrimp Curry
Harissa Chicken Legs with Leeks and Potatoes
Dill Potato and Feta Tart
We always eat "Fish and Vegetables" at least once a week. This is whatever fish looks freshest at the grocery store. When fresh corn is available the vegetables are sweet corn plus whatever veggies look freshest chopped up the size of the corn. During the winter it's a bunch of root veggies chopped really small for root veggie hash.
We are spoiled. It makes it difficult to eat restaurant food.