Do I have neurological problems. Me!

I am guy who has vitiligo and many other problems but I'm not able to understand what the problem is if i want to do something I will get involved in that in a way I will not have awareness on other I can't ride my bike and talk if I do that I will talk but I will be out of the topic whenever I do something watch a movie or do anything I can't understand things if someone cheats me also I will not be knowing he has if I sit in place my mind stop there if I start doing it will take me to some other task which is linked to the previous task I was doing I will go to do something but I will do something what's my problem. Sometimes I will feel very much fear that someone may harm me or do something bad to me sometimes if I do Some movements my joints Will catch I can't eat food in the morning what's the problem pls help me