Boyfriends parents have accent, how do I adjust to this, with my boyfriend's family?

Okay_ so we all know that there are interracial relationships now-a-days... I have one simple issue... My boyfriend is Jamaican and I'm White & African American. He speaks perfectly fine like his English is good, but his parents have a heavy accent. I have only spoke to his mom when she answered the phone when I was trying to reach him, but like I'm worried that I'm not going to be able to really understand his parents when I meet them. So like how do I adjust to this? Because I don't want to be embarrassed and say huh? Or ask him what his parents said when they are sitting right there speaking English. Lol so how do I adjust to this? This is just one of my issues I have with his background and all... He's perfect, just worried about not understanding his parents, that's embarrassing lol
Boyfriends parents have accent, how do I adjust to this, with my boyfriend's family?
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