How long should I give this?

My friend is jealous because I have an easier life than hers and she seems to be getting increasingly bitter towards me. There were two occasions in one week where she turned on me, out of the blue. When we were having a nice conversation. I was assertive with her yesterday and said that things either improve, or the friendship is over. How long should I leave it before texting her? A day, a few days, or a week?

How long should I give this?
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