BTC cannot be in a bear cycle for multiple years. You are correct it could be in a bear through the early part of 2018. It is almost certain to come back.

I am personally hoping for a drop down to $2K level. Or lower.

One more chance at a "one in a lifetime" buying opportunity.

https://steemit.com/bitcoin/@davebrewer/hodlers-can-be-uninformed-morons-do-you-understand-you-are-not-buying-lottery-tickets