I don't know about doing an interview-type thing, but I can make some suggestions to help with your main issues.
I find that there is better motivation to exercise when I either go to the gym with an exercise buddy or sign up for classes. I currently don't have any friends who go to the same gym as I, so I've lately been focusing on the group classes.
As far as keeping track of what you eat, it can be tedious and painful. I use MyFitnessPal to track all of my food. One of the best things I ever did was buy a kitchen scale. I think my flatmates might think I'm crazy, but I absolutely measure out everything I use (even when I get recipes from Cooking Light, which provides calorie counts, I track it based on the specific ingredients/brands I got, which unfortunately seems to always be slightly higher in calories). I also try to plan out meals in advance. If you want to go out for supper, look at the menu beforehand and plan what you'll order, and what the nutritional info is. Then try to plan the rest of that day's intake around eating a meal out.
As for the junk food... I'm with you there. I have a weakness for both salty and sweet foods, and unfortunately have a tendency to binge (so I try to not keep anything in the junk food category in the pantry). I love sweet food, and love baking. So I try baking for other people. If I bake a cake, I bring it to class or to an event. I may have a small bit, but the rest gets eaten by others. Then I don't have a horrendous amount of cake in my fridge that I "must eat before it goes bad". I've also been trying to swap out more healthy alternatives for sweet food. For example, instead of having a cookie (or five), I will slice an apple and top the slices with either a little bit of cheese or one of the Nutella mini cups (portion control). If you have more self control than I, I would also suggest baking things that are individual servings, such as cookies, cupcakes, or pieces of chocolate bark. If necessary, you can freeze some.
I hope these types of suggestions help! If you want to, feel free to add me.
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