At this point make sure you get the doanation up front and count it.  I don't care if it breaks the GFE mood as he already broke it by shorting you last time.  Fool me once shame on you fool me twice shame on me.  So don't put yourself in the position to be taken twice!!

I am with you on how he handled being told about being short, but will reserve judgement on that until you see what is in the envelope tomorrow.  If the shortage is there, mistakes happen and we all handle news like that differently.  If the shortage is not made up well, you can make up your own mind about him.  Then decide not to see him anymore because you can't trust him and hate counting before your time together begins or if you decide to continue to see him you always get the donation up front and count it before your time together begins.

Sorry, this happened to you but gaining experience usually costs something and I wish that some of my life experience had only cost $60.

Live and learn, but I do wish you the best.

It doesn't sound good.  You should bring it up soon after e shows up for the appointment.  He will either pony up or he won't.  If he doesn't, ask him to leave.

Yep (EOM)

people have been trying to get one over on the other where money is concerned.
A good percentage of hobbyists AND providers are honest, and then there is the percentage that is trying to pull a fast one. It's just the way it is.

 Many providers insist on having their callers put down the envelope at the onset of the session. Then the provider casually makes a visit to the bathroom where she discreetly checks to see if the correct amount is included.

 Don't feel dumb or ashamed. Skillful practitioners of various legerdemains often succeed in their games against even seasoned providers and hobbyists. In most cases the practical and prudent merely resign themselves to accepting the lesson learned.
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I don't want to tell you how to run your business but his lack of contrition seems a bit odd if it was in fact an accident that he shorted you on the last visit. In view of his apparent lack of concern I'd be looking for the $60 from last time in addition to the current balance due.
You only got suckered if you let him get away with it.

As a hobbiest, I am almost compulsive about counting out the donation before the appointment (on the order of counting 3 or 4 times).  As someone pointed out in response to your other post, we can get stupid in our anticipatory excitement.

If I was later told that I had shorted the donation, my response would have a little to do with whether I had seen the provider multiple times or not (basically, level of comfort).  If I trusted her well, I would believe that I had managed to miscount even after all the checking.  If this was after a first visit, I might have some level of scepticism, but would probably make up the difference.  Although, in this case, I would have to admit that the entire exchange might taint my desire to see her again.

Difficult situation.  But, that being said, I would certainly want to know if I had shorted the donation.  In the end, we are all interacting on the assumption of a certain level of trust - with private info, with money, hell with our bodies.  His reaction was strange by my standards.  I would proceed cautiously if I were you.

Personally, I have learned to follow the "drop the donation, visit the washroom" approach.  Best to settle these things immediately.

If he shorted you accidently, he should be apologetic, make up for the shortfall, and include an extra couple of twenties in contrition.  But a shortfall by $60 sounds suspicious...unless he can't count, or was drunk during that visit, he may be trying to pull one over on you...

I suppose that answers that question.  I guess he thought I was going to let him get away with it again until I said something.  Hmmm...what a shame.  I thought I was a better judge of character than that!

Oh well; lesson learned.  Moving on...