I suppose if you ate bananas and grapes all day and had way too many calories than your body needs for that day, then I suppose you would gain weight.
Before joining this forum, and in diet despair, my head was spinning because I was trying to remember all the stupid little tricks or methods some random person at work or at school told me was the magic way to losing weight.
When joining this forum, I just wanted clear information on what my body does with what I feed it and how it would respond to exercise.
Out of everything I've managed to read, hear, witness and so forth about weight loss before hand, the only patterns that emerged from it all, and that made sense, were:
-Reducing overall calorie intake based first from one's own caloric needs and activity level
-Making the calories you do eat count for something (meaning natural, whole foods that provide nutrients, vitamins and minerals that we need to be healthy humans--not "junk" foods that have no benefit other than providing calories)
-Exercising in a way that your body can handle, but is just outside the comfort level to so that it is challenging and leads to fitness growth, and
-Tracking progress so that progress can be measured for oneself, something that is hard to see when you're obviously around yourself 24hrs a day.
I've learned more on this forum in a few weeks than I have in a decade of nonsense, get-slim-quick tips.
In terms of fruit, what better sweet snack is there when you're trying to boycott junk food? In high school, we'd always have bananas before our soccer games. In my twenties, I thought that was a bad idea for losing weight. KaraCooks brought the idea back to me a few weeks ago about eating some carbs before my exercise, and now I see it makes sense. I have a banana before I exercise and the difference in my performance is remarkable IMO. Of course, that may not be the case for everybody, but for me it is. And, I'm still losing weight. I used to not eat bananas, grapes, oranges, etc. because they were considered high glycemic foods, but I've found them to be more beneficial to me health-wise than detrimental to my diet. I can't lie to myself. In the past, I'd boycott the high glycemic fruits because my diet "told me so", but wouldn't think twice about cheating that "one time" on a sliver of cake at an office birthday party. Out of frustration and just totally being fed up with diet do's and don'ts, I've learned to trust the basics: smart, healthy calorie control and more exercise than I'd need to maintain my weight. The confirmation of this came from the smart people here.
This is all so general, I know, but continue to use this forum as you're currently doing to seek out the truths for yourself, and you'll find out some things that will really make sense for you. Good luck, and don't drive yourself too crazy!
with this one 
