No, she and you may find it helpful. Once she figures it out, then it's easy to duplicate such sensations yourself.

http://www.sexinfo101.com/forum/index_sexinfo101_board_topics/22777---be...

Plus, if she's only had a small number of them... then anything that would help increase the number is good.
I know for me I can give myself like a clitoral orgasm in like < minute. It's good but not like WOW.
Now if I use a small one on my clit while my b/f is fingering me or penetrating me... WOW WOW is more like it :)

Think of the vibe as a training device. Many women have learned that way.

Also, do not have unrealistic expectations. Many of us (I included) do not reach orgasm through penetration and thrusting alone. We need additional stimulation of a finger, tongue or vibrator. Any of us able to regularly have orgasms are in the lucky group.

I don't think it would kill it.

But it might make it much more difficult, if she's used to one thing getting her off.

I mean she could get used to it and it could be harder... but from what you are saying.. I think... is that she's not really able to have orgasms anyhow?!? so she might need that HIGH stimulation... in order just to get off.

I use a vibe just about every sex session but my b/f can get me off orally (usually needs to be fingering and tongue on the clit combo) but I get off pretty quickly.

And during penetration I could use my fingers to rub my clit but I get tired and then he gets tired LOL.

If she is having orgasms, she is having orgasms. Does the vibe threaten your male ego?