Gotta give her the feeling that she is easily replaceable. Keep her worried. No need to seriously explain it to her. Just say it in a sarcastic, joking way. Let her know her allowance could stop at any moment. Can't believe all the whimpering "men" these days worried about losing a female. Cowering and always doing what they're told. There are 3 billion of them (each one meaner than the previous).
As a trader, you're always calculating risk, so calculate that half of all couples end up in divorce. Your biggest financial losses may not come from any market, but from your future ex-wife's divorce settlement.
Yes, avoid high maintenance women at all costs. Once they trap you with the power of the ....well, you know, you're a prisoner. Find a woman who is real and down to earth, and who doesn't view you as a tool to acquire the material things she needs to collect in that desperate attempt to try (and inevitably fail) to fulfill her soul. Ever see 'Casino?' Remember Sharon Stone, who DeNiro's Character (Rothstein) marries (because she's smoking hot)? Look all the trouble that brought him. And that movie was actually based on a true story. Who needs that aggravation.
As a trader, you're always calculating risk, so calculate that half of all couples end up in divorce. --------------------------- The risk is: people change. You will change and/or your wife will change. The risk is the trend is your friend until the end. Your in it (marriage), change is subtle, you better grow together or someone eats dust.
Once she starts to view you as a tool then your problem is already set to be detonated in the future. For now, as long as you can run there is no problem, but one day you fall sick and you can no longer run then you're finished.