Going Forward

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I don't know if I have what it takes to do this! I've tried and keep failing! I need some encouragement to make this a lifestyle change. Is there someone who has lost 40 pounds or so and kept it off that can help me with a plan? I am a mother of 4, all my kids are in school full time this year for the first time in 9 years I am alone during the day with time to exercise and think about eating right.

I won't look back, today is a clean slate.
I know I can do it, but the up and down scales in the past makes me think it will just happen again!

The other thing I find frustrating is the differences of opionions of what is the right way to eat!
I don't like diet food! I don't want to be on a diet.

I want to make lifestyle changes that are managable to do tomorrow!

Anyone want to give me some encouragement or advice?
I know I can't do this alone!
thanks in advance!

Wendy