I ate one meal a day for six months. OMAD. One Meal A Day. It worked for weight loss. I lost 22 pounds. My energy was stable. My focus was sharp. And my social life completely died.
The problem was not hunger. I adapted to hunger. The problem was timing. My eating window was 6 PM to 7 PM. That meant no lunch meetings. No brunch with friends. No happy hour. No dinner parties that started at 7:30. I was the person who brought a container of cold chicken to social events and ate it in the corner while everyone else enjoyed pizza. I was not fun to be around. And I was not having fun.
My girlfriend was patient at first. She understood I was trying to lose weight. But after three months of never sharing a meal, she started eating without me. We would sit on the couch at 8 PM, her with a plate of pasta, me with a glass of water. It was lonely. Food is social. It is how we connect, celebrate, and comfort each other. And I had removed myself from that connection.
My friends stopped inviting me to dinners. "You never eat anyway," they said. It was true. I would go to restaurants and order black coffee. I would sit there while everyone else ate, trying to be present but really just counting the minutes until I could go home and eat my solitary meal. It was not sustainable. And it was not healthy, even if my bloodwork looked good.
I switched to 16:8. Eating window from noon to 8 PM. I still fast for 16 hours. I still get most of the benefits. But I can have lunch with colleagues. I can have dinner with my girlfriend. I can go to brunch on Sundays. I gained back 4 pounds. But I regained my social life. And that trade was worth it.
Fasting is a tool. Like any tool, it has side effects. The physical side effects are well-documented: hunger, adaptation, potential muscle loss. The social side effects are less discussed but just as real. If your diet isolates you, it is not a healthy diet. Health includes connection. It includes joy. It includes sharing meals with people you love.
If you are considering OMAD, think about your life. Not just your weight. Think about your relationships. Your social calendar. Your mental health. Because 22 pounds of weight loss is not worth losing your friends. And it is definitely not worth losing yourself.
I also want to address the "willpower" myth. People think OMAD requires incredible discipline. It does not. It requires incredible isolation. Willpower is easy when you are alone. It is impossible when you are at a birthday party and everyone is eating cake. I went to my niece's birthday during my OMAD phase. I sat there for two hours watching children eat cake. I drank water. I smiled. I wanted to cry. That is not willpower. That is torture. And it is unnecessary.
The 16:8 schedule I switched to allows flexibility. If a dinner runs late, I extend my window to 9 PM. If brunch is at 10 AM, I start early. The 8-hour window is a guideline, not a prison. And the weight loss is still happening. Slower than OMAD, but sustainable. And sustainability beats speed every time. Because a diet you can maintain for a year beats a diet you quit after three months. Even if the three-month diet loses more weight.
I also tracked my gym performance during OMAD. My lifts dropped 15%. My endurance dropped 20%. I was not eating enough protein in that one meal to support muscle maintenance, let alone growth. And I was training fasted, which works for some people but destroyed my performance. The 16:8 schedule allows me to eat lunch before my workout. I have energy. I have protein. My lifts are back to normal. And I am still losing weight, just slower. Slow and sustainable beats fast and miserable.
— Alex Morgan, Seattle, WA
Alex is a biochemist who tried OMAD and learned that health is more than body composition. He now fasts 16:8 and occasionally eats brunch.