In my experience, a "tip" is always appreciated. In venues where tipping is prohibited or not encouraged, I "palm" a $20 bill or a comparable amount in the currency of the place and shake hands with the waiter or provider with "Thank you in having served me" or, in the case of a hotel or spa masseur, "Thank you. You are the master of your art".
A tragedy...bridges, airplanes, ships, as with Poor Old Jonathan Bing who went out to visit the King, I venture from home less and less as just 'be careful out there" doesn't assure safety anymore.
Gotta have it. I have had my biblical four score and ten; hence any time left to me to savor the joy of living is on the cuff courtesy of the Maker. I am "free, white, twenty-one" without issue and, as by the old adage, you can't take it with you...
Available by referral only. By a conversation with him some years ago at Jimmy Hanrahan's DeLido Island house, his professional services were a la carte with pricing from 10,000 euros.
Please, Santa Claus, the Easter Bunny and the Tooth Fairy...permit me the fantasy that they loved Ari for himself, and, that in their eyes, he presented as Apollo.
There were those who thought Aristotle Onassis to be a toad in his physical presentation; but, apparently, Maria Callas and Jacqueline Kennedy, both connossieurs of men, differed in that opinion. As by the old adage, "beauty is in the eye of the beholder".
As I preach to the boys, physical beauty, personal charm, and, indeed, sexual prowess are assets, a portfolio if you will, to be exploited for profit; he is managing his portfolio astutely.
Plainly put, he is priced, correctly, as a "luxury item"; hence, "window-shoppers" whose exchequers constitute "small change" are discouraged; a nice Brioni fancy sport jacket is acceptable as a gratuity with him.