An unsealed envelope left in plain sight is a great way to handle the donation.  

I ask that you don't hand the envelope to me directly.  
Also, please give me a little privacy so I can put it safely away.  
It might be a good time to wash your hands...
 
Aggressive behavior will not be tolerated.
Such behavior will result in the early termination of our time together.

​

Being freshly scrubbed is an absolute must.
You're always welcome to use my shower if you need.  
If you say pretty please then maybe I'll take one with you.

 I respect the personal choices of every individual.  
However, possession of illegal drugs will not be tolerated in my presence.  
Failure to respect that will result in the termination of our time together.