Answer:
There are 86,400 seconds in a day (60 seconds in a minute, 60 minutes in an hour, 24 hours in a day --- 60x60x24 = 86,400 seconds.
80,000,000 kisses per 86,400 seconds, so 80,000,000/86,400 = number of kisses per second = about 925.9 kisses per second