The only thing that can stop bitcoin is probably the government. After understanding the purpose of bitcoin it gave me more confidence on buying it and not seeing it as a 'investment' but more of a freedom digital currency.
Times without number government have tried all their best they could do to stop bitcoin but they couldn't, and I want to let you know that government can't stop bitcoin, Bitcoin will continue to exist for the next generation .
Understanding the purpose of bitcoin will make you realise why you need bitcoin and must invest it, for those who are very lucky to embrace bitcoin and understand it purpose will always find reasons to invest in it. Op you are doing a right thing by investing in Bitcoin, it time coming you will see the benefits of hodling Bitcoin.