I assume the reason for this the growing age gap. 10 years ago when he started this, it was easier for him to score real amateurs, now he is 10 years older, the girls he seeks out remain the same age they were back then, and as a result he is less sucessful and has to resort to hookers and bargirls more.
And those will be less enthusiastic.
And those will be less enthusiastic.
The girls are dull sex dolls lifeless bargirls or sex workers.