Meet at one of your houses. 
Enjoy a beverage together. 
Chat. 
Strip to zero clothes within 30 min. 
Keep drinking. Keep chatting. 
Touching the other person is forbidden. 
Masturbation is acceptable only if the other allows. 
Talk about sexual intimacy together that day is forbidden. 
Just naked and chatting. 
Can't ask about further meets (and other pleasures) until after the meeting. A second meet is not guaranteed.