However, because of overheated market, I also became a speculator. I had invested in all the mountains such as money for marriage, house and parents' money.
That's where you fucked up, mate.
With that said, bitcoin isn't over. We are just back to at around the same price we had back in early December/late November. The thing is, most people think that bitcoin's price just goes up like forever. Market corrections are very normal, just like in whatever market. You just simply bought at the wrong time, and it doesn't automatically mean you're investment is done. If you still have money to live decently, I suggest holding on to your coins and wait for it to rise or at least even breakeven in your buy price so it won't affect you much.