As it always worked so far, at the end of an all-day tease, you were so desperate, you would always agree to any price Sydney asked, which usually meant going into more bead debt...
Knowing your situation was completely hopeless made you more and more desperate and horny. And now as you look at Sydney, you know you are slipping further into submission. She completely controls your sex life, to her advantage, since it turns her on when she can make you more and more desperate...