Can babies tell the difference in what they drink?
Can babies drink milk if they have a cold?
Yes, although you have to be careful they don't accidentally inhale the milk rather than swallow it. If a baby mammal does not drink milk while it is ill, it will die of starvation or dehydration.
How do they tell the difference between normal flu and Swine Flu?
if you start eating from a trough or digging for truffles, go see a doctor immediately.
How to you tell a person they tatto they got doesnt mean what they think it does?
I would just straight up tell them. Probably your best bet