My code is as follows:
on drawGUI event for the hpbar object: draw_healthbar(x, y, x+10, y+5, 50, c_black, c_red, c_lime, 0, true, true)
and step:
x = obj_player.x;
y = obj_player.y + 2;
as you can see it follows not above, but way off into the corner.
The intended effect is right above his head.