Look out your window to solve this riddle. A little further, almost there, oh noooooooo.

You don't like me but you need me, sure as can be. For you would be a reckless daredevil without me. I keep you in check and help you see reality. Sometimes though, I come upon you irrationally. I can make you wither by the hour. Please know that I can be conquered by pure willpower.

You might do this when you get here, if you didn’t walk or skate An open place of memories dear, where children congregate

Piercing in tone, More Callas than Bocelli, Your throat holds your song, Mine seethes in my belly

Avast, ye scallywags! I be a parley, a price's free fall, A verbal duel 'til one gives their all. Less wit o' machine, more grit in yer teeth, What be I, where bargains ye seek underneath?