what happens is, that the health goes down instance once the play touches and or if I *dt it goes down 1 every second but in very long decimals.

This is my first post here. I need help with my health system. when my player touches my enemy I want it to -1 heart every second. if ply.y + ply.h + enemy.y and ply.y < enemy.y + enemy.y and ply.x + ply.w > enemy.x and ply.x < enemy.x + enemy.w then -- collision ply.healthscore = ply.healthscore + ...