Yes you are right it hurts but remember that price fluctuates on larger degree, the time at which you invest in bitcoin so there was not such a high rate and now a days the rate is so up that not every person can make investment in bitcoin. You should get a lesson from you precursory experience and it will be better for you to be winning in coming years. Other thing is that never invest your complete reserve in crypto as there is no surety that it will allot you excess.