Both men and women experience pressure to conform to social standards of attractiveness. Men to look strong and be tough, women to look pretty and soft. Men to be masculine, women to be feminine. Men get judged for being "too feminine", women get criticized for being "too masculine". Gender policing affects us all.
Guys, you don't have to act "manly" to be considered a man; you are a man, so just be yourself. Don't let society make you believe you have to prove your masculinity to anyone because you don't. You are you and you are worthy, full stop.
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.