I have ALWAYS eaten a really high fibre diet - generally between 42 and 50 grams daily.
There are two things that I have lived by with regard to that, and I hope no-one takes offense!
1) It's better to fart and bare the shame, than keep it in and bare the pain!
2) Where-ever you be let the wind blow free
Some people tend to go from very little fibre to a lot of fibre rather quickly, and for a lot, this will have 'unsavory' effects.