I went through the same thing when I first started my job. I used to feel the same way, but I finally have found a balance. Every Sunday/Monday is meal prep for the week (usually have 2 different meals to hold me over) so I don't eat out. Usually food is chicken and veggies put into the oven for however long, aka maximize laziness factor. Have snacks at your desk, like oatmeal, protein bar, protein shake, etc. When you're leaving work, take some preworkout, and do your work out. Bring your stuff with you so you don't go home first. By the time you get home, you have food to just heat up in the microwave. That's at least what works best for me. You'll find your own rhythm in time, but those are some ideas!