Even people who don’t like you can be right about you. Take the note, skip the attitude.

Dislike does not affect accuracy, but it does affect what you can hear. When it comes from someone hostile, everything they say arrives attached to their motive, and the natural response is to reject the package whole. The awkward truth is that people who do not like you are often paying the closest attention, and they have no reason to soften anything.

Try writing down just the claim, with the person and the tone removed. Ask whether it would change your mind if a friend had said it. Act on the part that survives that test, and let the rest go without a reply.