I need some advice please. I feel lost?

I would talk to your doctor. I do not know how close you are to your parent, but you can ask them if they remember anything from when you had the concussion and then see if you remember it. I guess you could ask anyone else if they remember to know if you could have forgotten something. Then I would talk to him again if your doctor says you have a memory problem. If your doctor says you are fine then you probably are. Try not to worry too much about this and you had a concussion!