Dum illa loquitur, Aeneas curam suam diligenter dissimulabat nec oculos demisit. Tandem paucis respondit: "Numquam, regina, negabo te bene meritam esse de me, nec me paenitebit tui meminisse, dum memoria mihi est, dum animam duco!
‘…I would never deny that you should benefit from me’
bene mereor de is an idiom that might be translated “to earn someone’s gratitude.” I think this cropped up in a previous thread. See Lewis and Short mereo II.D: