HOW DO YOU KNOW YOUR GETTING ACTION AT THE END OF A DATE ?

AFTER YOU WINE AND DINE YOUR DATE YOU GUYS HAD A GREAT TIME AND EVERYTHING SEEMS RIGHT DOES A KISS AT THE END OF THE NIGHT GUARANTEE THAT YOU ARE PROLLY GONNA GET SOME ACTION, OR HOW WOULD YOU KNOW THAT YOU ARE GETTING SOME. EVEN WITHOUT SAYING THOSE WORDS EXACTLY TO THE OTHER DO YOU KNOW BY THE VIBE YOUR GETTING OR IS IT JUST A GIVIN . I MEAN YOU DONT WANT TO ASSUME YOUR GETTING SOME SEX AND THEN YOU DONT GET ANYTHING OR IF YOU MAKE A WRONG MOVE THAT COULD REALLY END EVERYTHING ALL TOGETHER SO HOW DO YOU GO ABOUT THIS SEALING THE DEAL AT THE END OF THE NIGHT ? WHAT SIGNS ARE GIVIN TO LET YOU KNOW THAT MAYBE SOME PEOPLE DONT SEE THAT OTHERS DO SEE ?