Answer:
If I drink, I die. If I eat, I am fine. What am I?
Use me if you really want to see inside someone
What time of day, when written in a capital letters, is the same forwards, backwards, and upside down?
What is the difference between a poorly dressed man on a bike, and a well-dressed man on a unicycle?
I can be winding and I can be straight. I can be smooth and I can be rough. Sometimes both. I start out black but fade to brown. My favorite colors are yellow and white and I love stripes and dashed lines.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.