Trying to lose weight certainly has it's frustrations! Perhaps change your focus to improved health rather than just weight loss - educate yourself about nutrition and fitness. Then when the weight loss isn't as quick as you'd like (and it rarely is), you know you're still on track and doing a good thing for yourself.
Man who say it cannot be done should not interrupt man doing it - Chinese Proverb
"Eat food, not too much, mostly plants." Michael Pollan