i think if you jz drink more water during that moment, small portion, little by little...公仔箱論壇# D% Q. v4 J0 m. t
or you can try to hold your breath and try to inflate your abdomen( make your stomach bigger with mouth closed) # ]+ M+ o, K8 C( R1 f8 rtvb now,tvbnow,bttvbi tried all above method and they helped....