Yog tias muaj kev sib cav hauv tsev neeg - tsis txhob yig, koj tus dev yuav hnov nws. Yog tias nws loj hlob tuaj ib txwm, nws yuav sim daws qhov teeb meem los ntawm kev ua siab zoo thiab kev hlub, tab sis yog tias nws tus cwj pwm raug txwv, nws feem ntau yuav nkaum lossis mus rau lwm chav.
Greyhound yug yog qhov zoo rau cov menyuam yaus, muaj ntau lub zog sab hauv, nyiam taug kev, ua si, tuam txhab ntawm tib neeg, thiab lwm yam dev. Lawv xav tau kev sib raug zoo thaum ntxov zoo li feem ntau cov dev. Nws kuj yog qhov zoo dua los qhia lawv rau miv thaum ntxov.