STEEM/SBD price.Why so down?.I'm very sad.

I'm back after my few day's break and I am really sad about STEEM/SBD price. 

I m Still beginner I will be glad if someone help me understand what's going on.

Is possible to  situation where STEEM/SBD was worth 5$?is it possible let's say before summer?

Do someone know what's could happened?