You're not alone!
I have had IBS for 27 years and believe me, I know where all the bathrooms are. I have had 'issues' so much that the end of my colon is 'slick.' Over the years, I have gotten so bad, that I have no control. If I feel a rumble or bloating, I know I better be sitting down (on the pot). I don't have to eat, either; for this to happen. As the person before said, take an extra change of clothes and don't leave home without Imodium pills. Take care.