Your choice of honey and rum will greatly affect the flavour and, indeed, the success of the finished cocktail. More flavoursome honey demands a more robust...
Since my previous post I've actually started using a honey syrup ratio in between 2:1 & 1:1, more similar to your thinking with it being a little too sweet. I've also started using a standard full shaker tin of ice & cut a juiced lime husk into slices & shake it to get all those lime oils for flavor. I do a half shake & dump everything into the glass, & right now my favorite is with Avua Prata or Amburana Cachaça.