Do you think there's a right and wrong way to go about breaking up with someone?

Ex girlfriend left me the day before my birthday told me if I marry her she would come back. I set up
Updates
6 mo
Update my girlfriend told me if I didn't plan a wedding in 5 days she would leave me. I got her a ring and had the wedding date set. I showed up she didn't and left me for a guy she barly known on my birthday. Aka likely cheating on me the whloe time. 8 year relationship down the drown. I did ask her if we could talk for closure but I was blocked. We share two kids together who adopted by family friends but we both still have contract with our kids
Updates
6 mo
People stick to the top of the covo is their a right or wrong way to break up with someone thats it.
Do you think there's a right and wrong way to go about breaking up with someone?
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