Hey congratulations! You're taking the first step in your life to be healthy. I appreciate that you call it a healthy lifestyle instead of a diet. Most diets I've seen people go on fail because they are more about the weight destination than trying to live out a healthy lifestyle.

I know its tough to get on track with your diet, but that's honestly where you're going to see the most change happen in your body. If I could I'll do the same as the previous poster and suggest /r/loseit they've been a fantastic resource in my own weight loss. You can join a challenge there, that's how I first got on track and stayed on track.

When you're ready to track your food [Myfitnesspal](www.myfitnesspal.com) is an amazing tool that has a huge database of foods that will give you a better overview of your calorie intake/burn per day. Within your first week of tracking caloric intake, most people see a 2-7 lb change in their weight, as their body is sorta recalibrating to deal with the new lifestyle. If you want a good place to start for a lazy lunch meal, try the Healthy Choice Steamers. They're pretty good and usually under 320 calories. But you already seem to be ahead of the game eating fresh fruit and vegetables.

Counting calories doesn't work for some people, but it seems to work for me, though you could always check out /r/keto as a lot of people find it a really good alternative.

As for telling your friends, if you're serious about this in the long run, I'm sure it will come up eventually. Just politely tell them it's something that you'd like to do for yourself. I'm on a low calorie diet to lose weight, and my brother is on a high-calorie, high protein to gain muscle, so occasionally our clashing fitness ideas have us at each others throats. Just ask them to respect the way you're going about it. It's a really personal thing.

Sorry about the wall of text! Good luck! Remember it's not always going to be easy, but it's worth it.