Bullshit. Be a man. Let them know what YOU want. Swallowing is overrated. Once you get the girl addicted to oral she will literally play with your cum afterwards. Nothing hard about turning a girl into an oral slut.
lol, a quick google search on this subject brings up a lot of information on operant conditioning and behavior modification techniques. Fascinating, but kind of creepy.
*giggling* at the thought of your facial expressions/voice while you are receiving fellatio
Actually the thought of you having sex makes me *giggle*