Hang in there. I am a male so I have heard it's easier, but I know anyone can do if I can. I am down 21 pounds in 7 weeks, not only is my weight but my BMI, BF and blood pressure is down as well. I drink a RightSize smoothie for breakfast every day (200) calories & 9 grams of protein and that normally holds me to lunch 6 hours later. If it doesn't I normally have two boiled eggs or 6 slices of deli ham as a snack. Nature Vally's Protein bars (Peanut Butter & Dark chocolate) is a good snack too 190 cal and 10 grams of protein whole grain and fiber rich.
Lunch is normally Tuna with some crackers or ham sandwich with no mayo or a salad with grilled chicken. Just giving you some ideas that have worked for me, other than the smoothies, that's the only thing that I bought to see if it works. Fruits, veggies are normally afternoon snacks and when I get home, I normally eat a regular supper what ever my wife cooks. I just make sure I eat one serving and not seconds.
I strive to walk 3 miles in 1 hour on the treadmill and try to do that 4 times a week. If you have a smart phone, try the app "MyFittnessPal" it is something that I started with 7 weeks ago, it tracks my calorie intake, excersize and water intake. Shows your progress. I find it motivating seeing 1 pound gone, make me want to try for two. I am currently on 1530 calories a day but understand my walking gives me about 400 calories to off my daily quota so I normally have another healthy snack trying to keep my net calories at or below my daily goal.