Thinking problem. My life style with!

When iwas in 10th standard.i got bathroom{letrine} in dress in class room infront of girls.i shamed for that.after that i feel if i want to eat then that thing will on mind feel taking little food may not prblm in class room.and also after lunch i was going bathroom forcefully it has not come forcefully i had.i was continuing till now i ididnt feel anytime i just managed my life style with regarding to that prblm.thing thing only happen when i was in class room that thinking may igot then only like that only.when i was at home there is no prblm y because there is no shy to go for bathroom.when ever it come naturally i may go.but now ifeel i have to manage that thing this thing will not happen to anyone.for this i search before my life how as like .now as like.its hurting so much.y i have to take small amount food and y have to go for bathroom forcefully.i s this is phychological prbl r other whom to concern.i feel how they can remove my memory.plz help me