weed hater help me

i am about to get my girlfriedn to smoke with me for the first time but she is one of those poeple who thinks all drugs are the same. for example, heroine ,meth, pcp, and weed are equally bad (bullshit i know). she is also one of those pepole who thinks alcohol is not as bad when i know from experience alcohol will fuck your life up 10x worse then weed.
she has agreed to smoke because she thinks i am still sober since i got off probation but i have been blazing a lot lately.
do you think that after i get her to smoke she will lighten up about weed and stop her bullshit way of thinking? i want to be able to enjoy weed with her and smoke a couple times a week together but she thinks once a month is a "stoner".

chances are shell become a stoner
thats what an ex of mine did...bashed me when i did it when we were together then became a daily user when she went to college