Your only hope is that she seems to be getting impatient to gain complete control over your cock. To do that, she has to either get you to agree to giving her complete control, or she has to make you cum without her permission...
One night you have to work a bit late. Sabrina sounds understanding on the phone, but she makes you promise to take her out to dinner when you get back.
When you arrive home, it is already dark. She greets you half naked in the kitchen, saying:
"Honey, it's too bad you had to work late tonight. Before you called I was thinking that tonight I wanted to give you some relief from all that frustration you've been complaining about!"