He grasped what she was trying to do with his hand and snagged a handful of her hair. Their father would learn how to suck cocks in the same way, he vowed to himself. A thought cropped up as he wondered if she enjoyed being forced. She wanted reassurances but did she also want him to be in control as well? Perhaps he was going about this in the wrong way. He vaguely remembered something about code words in a d/s relationship that he had read about before he was tossed into juvie. What did it say? Ah, he remembered now. He focused back on Anna just as she took half of his cock in his mouth. He hissed in delight and closed his eyes briefly. They popped back open when she asked if he promised not to leave.<br/><br/>"Beautiful, I came after you, remember? Some day you will know what I went through to be here with you right now," he told her. "Now, I think I know how we can both enjoy this better. I want you to think of two words or phrases. They can't be something used normally. The first phrase will be what is known as your yellow safe word or phrase. That tells me to back off a little and make sure you are ok. The second one will be your red safe word or phrase. That means stop everything. Ok?"<br/><br/>