Answer:
Curtail me thrice I am a youth; behead me once a snake; complete I'm often used in truth when certain steps you'd take.
I have a name that's not mine and no one cares about me in their prime. People cry at my sight and lie by me all day and night.
Upon your lonely journey I accompany you, whether you travel through endless mountains or seas of blue. Wherever you go, I keep your place. Lost you're not, when I'm embraced. What am I?
What is the difference between a poorly dressed man on a bike, and a well-dressed man on a unicycle?
One pace to the north. Two paces to the east. Two paces to the south. Two paces to the west. One pace to the north.
The warmer I am the fresher I am.