BRACES AND BLOWJOBS

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So I have braces and I'm staying with my LDR boyfriend for the next 3 weeks and we are definitely trying to make the most of this time together. We had sex for the first time last night and it was AMAZING 👏🏻💕 I woke up just then with a really sore /cut mouth from giving him head, my braces were rubbing against the inside of my top lip from covering my teeth with my lips! We still have 21 days together and I don't want this to ruin it because I'm the type of person that enjoys giving oral sex ☹️ Is there any way to prevent this? Please help!! 😰