Is your friend jealous of your success?
If you’re not sure, check out this article: She’s My Friend But I Think She’s Jealous Of My Success. You’ll find some tips in it that’ll help you.
If she’s jealous, and you haven’t been able to resolve it with her, then you’re probably feeling hurt and stressed. That’s okay; it’s natural to feel that way. How deeply the situation is affecting you depends on the nature of your friendship: the closer and deeper the friendship is, the worse it feels.
If you work with her there’s an extra layer of stress because if things get out of hand it can damage your career and hers, too.
But what can you do?