How's he doing? I'm sure he's very greatful for your and your mom's help! I think for living the way he was a gill problem seems pretty lucky! A betta hammock will do him good, The diy ones are super easy I'm sure you have probably seen them and probably have one too! his quality of life is 100% better than before even if he has a slight health problem!
GIVING AWAY PLANTS? REAL OR FAKE, I'LL TAKE THEM
3 males: Mardi (OHM) - Mason (HMPKCTEE) - Maddux (HMPK)
1 female: Mercedes (Undecided again) Maybe VT or Delta