When will the bull run start?

in 2018? i've lose a lot of money through bitcoin. because price went down. when will the bull run start and i regain my money?
I am not sure that bullrun will happen in the current year, this market is still in a non-conducive atmosphere, indeed recovery has occurred even though it was not large but in a matter of hours the decline occurred again, this situation was very fast and often happened.
I really hope that this kind of situation will be over soon, even with a short period of time but I will wait for it