Adding to: "3" and "caught in the middle of something" or " in the pipes (pipeworks).
If his "love affairs" are true post his beloved wife's death.
Then-
1) When he was with Lady Margaret (think that's the right name) whilst in Venice he had a wonderful old time with a Courtesan. However, his affair with Lady M was hot cold hot cold
3 3 3
2) Next up was the lovely Lady Londonderry, a MARRIED woman to another minister, that he was smitten by and allegedly involved with romantically.
3 3 3
Love triangles.
Note: Do not think I will forget the number "3" for a while after this find.
Ps In some of the letters to Lady M (180) he proposed at least "3" times to her over the duration of their courtship.