Try to avoid foods that might make you or your partner gassy. Like smelly foods, foods that could upset your stomach should also be avoided if possible. Burping or passing gas in the middle of dinner could quickly kill the romantic mood if your partner is offended by that sort of thing. Of course, everyone reacts differently to different kinds of food, but in general the foods that cause the most gas include.Beans and lentils.Vegetables like broccoli, peas, asparagus, and cauliflower.Fruits like peaches, apricots, raw apples, and pears.Milk and rich dairy products.