Do a quick test... Swap devices for a few mins...
If she's the one getting the big vape off of your setup and your getting the puny vape off hers, then it's the setup.
If you continue getting the big vape on both, the difference is the two of you.
I'm getting tons of vapor, my wife is not. Same device, same juice. I can't for the life of me explain to her what we might be doing differently. She's a bit jealousany of you vets out there maybe know what she could be doing "wrong"?
Maybe she doesn't draw in as long .. I'm sure she'll get the hang of it soon .. In fact I'm positive she will! Be supportive and encouraging and give her lots of kisses.. Wives need thatbtw post 500!