I'm made for you, if you don't make me. If you regret me, you can't shake off my weight. If unsure of me, to sleep you take me. Will I be guided by impulse or deliberation?

Like a can, pipe, or candle, my shape remains when sliced across. Not quite a cone, I keep my width from end to end.

The Windy City, The Greatest, or the Land Down Under Start with a muted cry, then half a diam. Next, something mathematicians imagine, followed by the last four of a bunch of flowers.

I am born from a boundary no one drew, I vanish when both sides agree, I can divide a room without moving, and I grow sharper the less I am seen.

In my world, bulls and bears determine success or ruin. My only advice is to diversify, as percentages keep accruing.