TL;DR gf hates to be wrong. 

Backstory: my girlfriend and I have been together for almost a year. Every now and then she feels that I dont consider her feelings even though I do but because sometimes I disagree with her I suddenly dont care about her or her feelings. I have told her that she has been emotionally and verbally abusive and has denied it or try to reflect it back to me. 

Recently I have been buying more weed than ive had to because she has been smoking it all. This past paycheck she finally had money to pitch in and I picked up as she was busy at an event for school. I decided to have a hit and she got mad because I told her I did so. I told her shes being a bit immature considering how much she has been smoking and is saying I didn't consider her feelings after telling her that I dont think im wrong for taking a hit after shes smoked through an entire oz basically. 

What do, Reddit?