i think if you jz drink more water during that moment, small portion, little by little...os.tvboxnow.com% I+ b+ K6 f* p& W( p; c! F9 s, J
or you can try to hold your breath and try to inflate your abdomen( make your stomach bigger with mouth closed) % D5 R) ^1 g% v+ B+ ^TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。i tried all above method and they helped....