Use the paragraph to answer the question.
Owen closed his eyes and gulped. He felt a bulge in the back of his throat. His stomach was full of butterflies, and his palms were wet. He wiped his palms on his jeans and walked up to the turnstile. They were next in line. The Speed Demon roller coaster came to a screeching halt in front of him, and the giddy passengers stepped off, commenting on how steep the drop was. Here goes nothing, he thought to himself as he shakily stepped onto the ride.
In one to two sentences, identify at least three details from the paragraph that help the writer show Owen's feelings without saying them directly.