Could Involuntary Passing Of Gas Indicate Weak Sphincter Muscle?

iam 21 years old male I am im desperate need of help. I am experiencing involuntary gas release. whenever iam around people i can see them holding their noses and many a times they have even told me that iam passing gas.but i dont sense anything.i have been to many doctors but all they say is it is due to stress and i tend to differ. i eat healthy drink enough water and my stool is not smelly but still the involuntary gas problem exists, what i have researched it might be because of weak sphincter muscle but iam not sure. I can’t go to any restaurant or social gathering. I live secluded. This has officially ruined my life.