You raise to $6. The big blind, who has called every raise tonight, calls and the small blind folds.
They check, you bet $10 and they call.
They check, you bet $25 and they call. A small player would be nervous by now. You aren't, because this player's calls mean almost nothing.
They check, you bet $60 and they call with queen-jack. Your ace kicker wins.
Half-pot bets on each street would have made $52.50 from the same player and the same cards. Sizing alone was worth $49.50 in one hand.