Wow, a topic with deep philosophical implications! And if we're talking about an international farting championship, I couldn't be left out: I'm one of the most medaled. ?
After a certain age, farting is inevitable, especially after eating legumes or pork: an effective way for the intestine to get rid of harmful gases.
I rarely fart in the midst of other people, even family members; I always try to move away if possible. If it's uncontrollable and I can't, I try to mask the hissing with some noise, speaking out loud or humming. As for the possible odor, there's little to be done.??

Even in bed with my ex-wife, I always held back or went to the bathroom, to make a good impression; but given how badly things went afterwards, I should have let myself go freely, and not care about her judgment.
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Friendly advice of peasant wisdom; eat fewer beans and pork, drink herbal teas, take lactic ferments and do more physical activity!