He examined how many friends have ever made love with female.
The result was that most of his friends(in his high school days) have ever done so.
He commented "It's surprising. I don't have courage going to love hotel*1."
I and he think that it is not worth doing when considering the risk of pregnancy. But, it is just excuse. To tell the truth, WE DON'T HAVE ENOUGH SKILL TO TAKE LADIES TO BED.
By the way, because he has great academic career(=Graduation from Kyoto University), a lot of beautiful ladies will approach him having the hope of high income after he got a job.
