It's all in the mindset. If you believe you are a good kisser, then that confidence will show when you kiss her. If you feel that you are not going to do well, then it will most definitely be portrayed when you kiss.
Try this for shits and giggles, if you can. Keep one eye open when you are making out... the girl will open her eyes too... cos you most likely portrayed it subconsciously while kissing her. Also, my friend once told me to watch lesbian's making out. Some of the moves they have are actually key to oral pleasures.
Hope this helps. It definitely helped me.
