Is there something I should do?

+5Xper
My Girlfriend of 3.5 years broke up with me when she went to college because I apparently got controlling, when all I did was give my opinion about her male friends that she made, who is 5 years older then her
And because of that she went and drinked with friends and gave her phone to a guy "Friend" and he messaged me pretending to be her and I flipped shit bc he didn't have the right to do that, and she ended our relationship bc of my reaction to the guy pretending to be her, was I in the wrong?
Is there something I should do?
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