You've got a good pro shop guy and you're wise to trust him.He knows the 'carbon is either straight or broken' line is a pure lie. It's not a myth, it's a flat, bald faced lie. Always has been.

Carbon arrows dobend, they just don't STAY bent.They bend (or flex, if you like that word better)back and forth quite a bitevery timethey are launched from the bow and every againtime they hit a target. But carbon arrows are manufactured with a memory. The material is supposed to be such and such straightness, so theyusually go back to thatstraightness whenthey quit bending/flexing.

When theyflex enough times though (varies according to the quality of materials and/or design), they lose their memory andnever go back as straight as they were when they were new.They cannot be straightened. They also lose spine.In short, carbon arrowsdo wear out and need to be replaced when you notice they aren't as good as they used to be.

I'd beta HUGE amounttimeiswasted and endless frustration endured by untoldnumbers ofbowhunters who believe the 'carbon is either straight or broken' lie,trying to tunetheir bows when they could settle the whole situation byspending a few minutes with an arrow spinner.