(It's not that I'm not happy about my money being worth so much more, it is I'm afraid it will crash and ill lose it all
You shouldn't take a risk that you can't afford to lose. At the current price point, Bitcoin is highly speculative.
If you're afraid to lose your investment, why not take some profit now?
From a technical analysis standpoint, this graph does not inspire much confidence that a rally can continue without a correction / profit taking:
