Hah... I like this dilemma you picked... I have slowed way down on eating out for the past two years as it is a waste of money and you can NEVER be sure of freshness, cleanliness, etc. in a restaurant. Occasionally dining out is not bad, but steady will kill you slow like.
Buy your foods and consume them in staged timings... as example Brussel sprouts will last a lot longer in the fridge than spinach. So what ever you buy, cook the fragile first, save the heartier for later... you can make your veggies last a week when planned correctly having only one trip t the market. Also you can sprout and time those as well, the rest you can store in your cupboard or freezer.
Salads and stir fry's take no time to cook and in one pan or bowl.
PS Wine lasts a good long time.