Exclusive: Inside Desiree's One-on-One with Kasey

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Sixteen suitors are left to work their magic on Bachelorette Desiree Hartsock in week three, and next Monday, a lovestruck Kasey Stewart has the difficult task of wooing the woman of his dreams while dangling (and dancing!) multiple stories from the ground. 

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Although the handsome advertising executive admits to a love for all things adventure, the task picked for his and Des' one-on-one (an activity called bandalooping) had Kasey shaking in his harness, but he tells ET the terror was a small price to pay.

"I'm not a huge fan of heights and I'm not a good dancer," he lamented, "[but] she's such a beautiful girl--so wholesome, so pure and good. That's why I'll jump off a side of the building and dance with her, because she's worth it."

Click the video for an exclusive behind-the-scenes look at the date, and hear what Desiree had to say about Kasey moments afterwards!

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You can watch the exciting one-on-one in its entirety when The Bachelorette airs next Monday at 8 p.m. on ABC.