More than half. It will take years potentially if bitcoin's price continues to raise regularly, but I will keep my word because despite the misconception by those who think a manic episode equates to being a scammer, I am probably one of the most honest people on these forums (key point: I correct myself when wrong, apologize when wrong, and make up for my mistakes. I do not start fraudulent funds and pass them off as charities to avoid paying what I owe).
Commendable. Under Dutch law (and maybe in all civil law jurisdictions) debts arising from bets are not enforceable, they constitute what are called "natural obligations". While if someone does pay, he cannot later ask for his money back, he cannot be
forced to pay. Disclaimer: IANAL, TINLA.