Before I was married I often cooked meals that made multiple portions. This saved me time, money, and the risk of opting for convenience foods at lunch time or at the end of a tiring day. Plus, I enjoy leftovers and don't mind eating the same food several days in one week. Thankfully, my husband feels the same way and is just as committed to taking meals to work with him as I am. So we continue to do something I began years ago: making "meal packs" with our leftovers.
Rather than storing large amounts of leftovers in one big container and then divvying them out each night or morning to take them to work, we save time and dirty fewer dishes by portioning our leftovers into containers as soon as we're done eating dinner. Since we've been married (almost 10 months!) we've primarily used these Pyrex bowls with lids because we can just vent the lid and pop them into the microwave at work (I no longer microwave in plastic containers so as to avoid having chemicals leach into the food).
Meal packs are a "grab and go" time-saver, money-saver, energy-saver (fewer dishes), and health-saver. That works for me!
PS For the curious: the meal pictured is a simple broccoli and chicken stir fry using Asian Essence seasoning and served over brown rice. Light and delicious!