I hope that anyone over 40 would be aware of their responsibility for their own qualities. If you feel that you are ugly, it is not the fault of anyone or anything else but rather solely your own responsibility.
Keep your own melody, because it is wonderful. Listen to his melody because it is precious. And cherish occasional harmonies those two melodies create. Those will let something grow between you two.
Maintaining your own melody is essential to create the beautiful harmony with someone. Your selfless effort to harmonize with his melody will only create abrupt tones.