i think if you jz drink more water during that moment, small portion, little by little...公仔箱論壇8 F" H( f. U; J r) ~7 p2 |& v7 a: I
or you can try to hold your breath and try to inflate your abdomen( make your stomach bigger with mouth closed)www3.tvboxnow.com# [/ {) r5 J5 i. A
i tried all above method and they helped....