i think if you jz drink more water during that moment, small portion, little by little...( d5 |8 c0 o3 j) S1 E
or you can try to hold your breath and try to inflate your abdomen( make your stomach bigger with mouth closed) $ @" U7 J& a* N8 h( R9 ^' c1 c* M公仔箱論壇i tried all above method and they helped....