I invested half of my saving ($25,000) into ETH when it was $725. ETH has now plunged to $459. I am very worried I will keep losing money and I fear for the worst. I want to go kill myself 
NOOOOO! It's not too late, ETH is one of the best coin. I believe that, most of my holdings now are ethereum, I believe on the technology behind ethereum. Ethereum is the best, specially in their ERC20 token, creating smart contracts.