How do I start eating healthy? I’m fat and trying to get healthy and skinnier. I need advice?

I’m 5’7, 290lbs, hourglass shape and i’m trying to get healthier. I don’t know methods to eat healthy and lose weight. I want to try some workouts too. Squats, and sit ups mostly. Can you guys give me tips about number of how many squats and sit ups i should do a day? Any tips on eating healthy? I don’t eat seafood and I mostly eat chicken. I no longer drink soda (haven’t been for 1 month and a half) So i’m proud of myself for that. Anymore advice?
How do I start eating healthy? I’m fat and trying to get healthy and skinnier. I need advice?
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