Parent chaperone on first date

I'm 16 and I've never been on a date before and this guy asked me to the movies. I asked my mom and she said if she's not going then I'm not going. How can I convince her to not come with us or at least see another movie?

We've liked each other since school started and the school year just ended and we've both gotten over our shyness and we're talking nearly everyday. We're both mature. And we haven't talked sexual in any type of way. He's not the type of guy to try something sexual and outrageous during any date.

***I told him my mom wanted to come and he said it was fine but I'm still a little uncomfortable because I just want to spend time with him and have fun. I can't do that if I feel like I'm being watched
Parent chaperone on first date
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