As long as you communicate with him clearly about what is making you upset, and allow him to rectify himself in a reasonable manner, this is more than reasonable. Just be 110% clear.

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Self care night pookie! don’t let his forgetfulness ruin your day

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Does he know it's your birthday? If yall haven't dated long that's an easy thing to miss

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Don’t girls like to go out with their girl friends on birthdays?

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Some of us came from a place where we weren’t celebrated and never celebrated birthdays in our families (not me but I know a few guys like this) so it may be a one sided issue here. I’m not saying this is right I’m saying it’s just a difference in how you were raised. I’d communicate how you feel to him in a calm and non-accusatory tone and see what he says. If he’s dismissive or disrespectful then he’s just an asshole, if he says anything along the lines of “I though that it’s what everyone did

1

I asked my last gf if she wanted to do anything with me for her birthday and she said no. Told me she would rather go out with her friends… so yah. That hurt

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