This is an anagram - look for an indicator that suggests rearranging or reordering letters.
The phrase 'in order to' indicates an anagram. You need to rearrange the letters from 'I then' plus the odds from 'took' plus 'twenty' to spell out how people get hitched.
Answer: TIE THE KNOT | 'In order to' signals anagram - rearrange letters from 'I then' + odds from 'took' (o,k) + 'twenty' = TIE THE KNOT (get hitched)