Should this be asked in a relationship?

Me and my girl of 2.5 years broke up because she stopped showing me love and respect but said i had to take her on dates to get that. I’ve taken her on dates, bought her flowers, everything a man should do up until she disrespects me with words when we argue and stopped showing me love/affection. Should being respected and loved in a relationship be bargained with taking the other out on dates.

Should this be asked in a relationship?
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