i think if you jz drink more water during that moment, small portion, little by little...公仔箱論壇$ U8 @5 \9 _/ A% ?0 o; x* [
or you can try to hold your breath and try to inflate your abdomen( make your stomach bigger with mouth closed)5.39.217.77( i0 `# C: I+ m; P% L
i tried all above method and they helped....