Losing weight is so hard.

Okay so I'm 5'3 and 155 pounds. I go to the gym every day and I stick to a meal plan.

Here's what I do at the gym: 20 min of running, 40 min of walking on an incline, 20 min of stairs, 100 crunches, and 20 min on this other runningish machine.

Here's what I eat: breakfast: a sandwich which consists of egg whites boiled, cabbage, tomato, onion, and 1 tablespoon of mayo.sometimes I use tuna, ham, or boiled chicken breast instead of egg whites. Or I have a bowl of kashi cereal with fat free or skim milk.

Lunch I usually just eat a banana or some sort of fruit.

Dinner I usually have one scoop of brown rice with either boiled egg white or boiled chicken

I also drink a half gallon of water a day and orange juice and milk occasionally.why am I still not Loosing much weight? Am I eating too much?
Losing weight is so hard.
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