I lol'd.
Okay you don't like winners, but instead of lowering the betting limits, you hoped he would lose. This time he got lucky and now you are talking such nonsense.

btw anyone can compare your odds and bet365(or any other sportsbook) odds at the time OP placed his bets(thanks to https://betsapi.com/) and there is no significant difference. Pay out his winnings, don't embarrass yourself.