Don't be a lazy man.... find a way to make her regret in her entire life.... make a plan then kidnap her.
Day 1 cut out her thumbs then pour acid on them.
Day 2 Cut out all of her fingers and hands then pour acid on them.
Day 3 Cut out her tongue, and pour some acid on her face them let her free to go.
NB: But all those steps must be done by yourself.