It makes you a terrible investor - 10% was already a bad move - but holding them now that they are 35.5% of your net worth is insane. Yes it might work out again but so does playing the lottery.
B. You don’t immediately sell your risk bets when they start making you money, it completely mitigates your upside. Knowing when to say when is hard, but the general philosophy of removing the risk bets when they are making money is a bad one methinks.