Welcome to DC, Rose!! We also cook for just the two of us, the main danger is that, when there is some leftover hanging around after the dinner, too often we decide "heck, let's just finish it!!" Ending up eating too much, both of us!!
Welcome!! Great to see someone else here from AZ!! I agree with you about having to cook for two after having cooked for more before. Both of my daughters are grown and moved away; hubby is a truck driver that is only home for 1 or 2 nights on weekends. Many times I feel it isn't worth the work to cook for just myself during the week and that makes me sad as I love to cook.
Cook it and freeze it for another day, or simply share it with friends Shunka! Cooking usually makes anyone feel better any time.
Welcome DesertRose! You'll love it here.
If you have much, give of your wealth. If you have little, give of your heart. - Arab proverb