Yeah don't worry because bitcoin will still increase since it is the most popular crypto-currencies and we all know that a lot of people using it right now. Bitcoin has a very big potential in the future and I think even if there are a lot of altcoins still bitcoin will be the most popular and the 1st cryto-currency so we can't deny it. I will still hold my bitcoin.
Yes I am agree with you those people who invest in bitcoin and members of bitcoin need not to be worried just believe in yourself and bitcoin because bitcoin will stand again and again and nothing can defeat bitcoin in anytime. Bitcoin has the power that it will not shut down.