Wife neglecting her career

I've been married for almost ten years, we have 2 year old daughter. My wife and i are in the same occupation, and we met in the university. From the beginning it was always agreed that she would work even after having children. Over the course of our marriage i had to always push her to invest time in her career (which requires constant learning). This caused countless fights and threats of divorce. In my opinion she acts irresponsibly and immaturely. Despite all that, and with my constant suffering she managed to stay employed till now (after losing few jobs). Now again, instead of spending time on developing her core competence, she wastes it reading about remote and useless subjects while claiming that she needs it for work. As someone more senior within the same occupation i can say that what she does is completely useless, and it undermines her long-term employability, but mere mentioning of it causes her to explode. Furthermore, to enable her to spend more time on her professional development, i took all home chores on myself, but instead of gratitude, she found more time to waste on some absurd stuff. I don't know what to do as i clearly see where it leads (eventual unemployment). To be honest, had it not been for our daughter i would've left her because i'm tired and exhausted from her nonsense, immaturity and irresponsibility. May be i should just accept that she will eventually become unemployed and live with it, but i think it's horribly unfair.

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