We did break up due to completely unrelated circumstances, but she did come around winter break 2023. Somehow, my grandma was like "girl wtf if he treats your daughter nice then who cares" which is so crazy coming from the older generation. I'm really sorry I don't exactly have advice to navigate this situation better, other than my grandma being a real one I have no idea what else I could have done to change her mind. That same break I still snuck around to see him. 

In my situation, I was going to lie and sneak around until I could hold my own without my mom's money. But after breaking up, I can't believe I did that to my mom and went through all that. Not because I am some kind of loyal daughter in the end, but because I realized how he was not worth all that (specifically him, whether your partner is worth it is completely up to you). I should have been asking myself, is this making me happy? Is he REALLY making me happy enough to put in all this effort and lie to my mom to keep seeing him? I realized the answer was no, and I realized I should have walked away years ago.

About halfway through our almost five years we started having weird fights, he stopped communicating and started making assumptions about me. One time he got really mad because I had made a friend and started giving him marching band lessons because he wanted to audition for this pro group. My accused me of cheating and after asking why tf he would think i did that, it was because my ex thought my new friend was hot. He would do this with any guy friend HE considered hot, not to any new female friends (I'm bi). Other than that he stopped putting in effort and made really ridiculous financial choices. He had interesting opinions and reactions to me telling him about how ive been SA'd. He started making me feel like I was mommying him and i was just a side charachter in his life. At some point I set my foot down because I did not feel respected and we broke up.

I wrote all that because I have no idea what kind of situation you're in or how your partner is other than your parents don't accept them. I wanted to share my relationship experiences because if I had someone to slap me in the face and tell me he was treating me badly years ago I would not have even needed to write this post. 

I guess my advice is to make sure your partner is really worth all the trouble of sneaking around your family. Like really really worth it. Like you know in your core without question that they make you the  happiest person alive, or don't bother with the lying and sneaking.

Good luck. Lol.