lol...Paris was wrong in lot of ways...also call selfish...
But he was smart not to challenge Achilles in a battle as he was destined by Lord Zeus to never lose in a just battle due to injuries to any part of his body other than his heel and so the term "Achilles Heel"...and Paris shot was right on the money....Paris knew he had no chance in a one-one close battle, long range shot was his only chance...
Achilles was dipped in the river styx by his mother and she held him by the heel.