The vacancy in your heart doesn't connotes that nobody is seeking for the job of servicing your feelings, but because the employee must first have all the necessary credentials needed for the job.
friendship strength romance dating heart real-love responsibility bravery weakness i-love-you first-love you love-affair affair test hard crush satisfaction real job brains employee temporary date befriend approach stamina examination only-you my-heart man-enough be-my-friend credential give-it-to-me heart-for-sale heart-job i-give-it-to-you life-for-rent mr-right mrs-right vacancy