Hello and welcome,
In relation to fruit you will probably find if you test that fruit will spike your blood sugar levels. I'm a follower of very low carb but ultimately the answer is to test your levels before and after eating something so you can see what its effect on your body was. We all have differences in what we can and can't eat but the best evidence is the meter.
I have given up fruit for the moment as I'm trying to maintain lower levels and lose weight.. Once I have lost all the weight I need to lose- a long way away I may consider increase ng my carbs but I will be testing very regularly.
Good luck.