i think if you jz drink more water during that moment, small portion, little by little... 0 F& L# L$ G, y: i9 P5.39.217.77or you can try to hold your breath and try to inflate your abdomen( make your stomach bigger with mouth closed) + @. F& H% t4 f9 I1 u0 T$ T5 di tried all above method and they helped....