Hello, not very good at this, first time texting. New here and looking for ideas, as to how to get started excercising....I'm 50, 142 lbs, I want to drop 20 lbs, not much of a red meat person, love fresh veggies, no milk, but some cheese is ok here & there. ..lol. I hv a treadmill, at home need help with a fitness program.…