i think if you jz drink more water during that moment, small portion, little by little... ( v4 m. v2 f+ z( e# N; \公仔箱論壇or you can try to hold your breath and try to inflate your abdomen( make your stomach bigger with mouth closed)2 B2 q' n3 p% t7 ^: R% {3 r& P2 g
i tried all above method and they helped....