Been surprised over the decades how so many Thais, despite the lies that go with the trade, are not into the classic prostitute profile - "hard faced, cold hearted, money only bitch" stereotype (think 'Russian'). After about 3 times, many develop a genuine, tolerably mercantile, affection for the customer. Always a nice surprise.
Had regular pleasant exchanges of sex, money and lies, usually at unconventional, unpredictable hours, e.g. afternoon, very very late, or even morning: 'can i come see you?' 'Ok but mi ha loi baht na' "OK, me downstair". Very nice.