"how normal is for a guy to come from just oral sex? because my guy never finishes and I always feel that i'm not doing enough (you can always do more i guess). are the extra satisifed guys i see in the zane books/porn/hentai (they always cum 2x) are they just a myth? or should i step my game up?"
Believe it or not, it is very normal for a guy not to orgasm from just oral stimulation. There is no data on this but I would venture to say that it is in parody with the amount of women who can't orgasm from only vaginal stimulation.
In my personal experience, whenever a guy can't get there by oral alone it is probably because they are disconnected from the action. You can kind of feel when the guy will go from all in to simply enjoying something stimulating his genitals. Don't consider this a bad thing. It just feels good, and while it may not lead to an orgasm it is definitely appreciated. After orgasm and post orgasm sensitivity, you can continue to orally stimulate for a really sexy cool down.
If your goal is to get him to orgasm you should try to keep him engaged. Try putting his hands on the back of your head. There is something that changes from the simple hand placement. You can try looking him in the eyes. Keeping that non-verbal communication open can change a lot. Holding his hand can help keep him engaged as well.
Sometimes the problem is there may be some monotony in the technique. Nipples, balls, inner thigh, back of the knee, chest, arms, and butt are all within reach. You should try stimulating all of these. Sure you only have two hands, but you'd be amazed at how octopus like you can be when you put your mind to it.
Don't be disheartened if you can't solve this problem. I don't think any man will say you could spend too much time with your mouth on his cock. Keep trying.
Keep it sexy.
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