How come when we thirsty need to drink plain water cannot drink soft drink like

[Kiap Cai Png Jin Ho Jiak]

How come when we thirsty need to drink plain water cannot drink soft drink like Coco cola, Pepsi, 7 up and etc because soft drink cannot cure thirst only plain water can.

[default]

who say so i drink 1.5l everyday i still look like leon lai

[default]

[Magical Fingertip]

 can la who say cannot just that sinkies a bunch of eat healthy superficial ppl.
very few will only drink  soft drink cos scared diabetes or grow fat