How do you deal with the guilt after showing ungrounded jealousy?

I am usually not the one to start a drama over jealousy, or to feel easily jealous, but yesterday I allowed myself express the negative emotion for what I later figured out was a totally ungrounded feeling. I feel so shy and awkward for that and so guilty.

I think this moment stems from my past experience with my ex, who would always try to provoke jealousy in me to see if I still cared for him, if he felt even slightly my attention was shifted. So, I felt that maybe this time the new man also tried that and later I figured out, that was totally ungrounded and he had pure intentions… And he did not mean to make me jealous and I acted totally out of place…

How do you deal with the guilt after showing ungrounded jealousy?
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