diff --git a/init.lua b/init.lua
index 9b86c29..e6dd181 100644
--- a/init.lua
+++ b/init.lua
@@ -8,11 +8,12 @@ pova = {debug = false}
 local pova_list = {}
 local min, max = math.min, math.max
 
--- time each override loop runs, 0 to disable
+-- override loop interval, 0 to disable
 
 local pova_loop = minetest.settings:get_bool("pova_loop") or 1.0
 
--- if enabled activate main loop that totals override list on timer
+-- when higher than 0, activate main loop that totals override list on a timer,
+-- incase we have any rogue mods that don't play well with player physics.
 
 if pova_loop > 0 then
 
@@ -27,7 +28,7 @@ if pova_loop > 0 then
 		timer = 0
 
 		-- loop through players and apply overrides
-		for _,player in ipairs(minetest.get_connected_players()) do
+		for _,player in pairs(minetest.get_connected_players()) do
 			pova.do_override(player)
 		end
 	end)
@@ -35,7 +36,7 @@ end
 
 -- global functions
 
-pova.add_override = function(name, item, def)
+function pova.add_override(name, item, def)
 
 	if not name or not item then return end
 
@@ -51,65 +52,68 @@ pova.add_override = function(name, item, def)
 	pova_list[name][item] = def
 end
 
-pova.get_override = function(name, item)
+function pova.get_override(name, item)
 	return pova_list[name][item]
 end
 
-pova.del_override = function(name, item)
+function pova.del_override(name, item)
 	if name and item and pova_list[name] then
 		pova_list[name][item] = nil
 	end
 end
 
-pova.do_override = function(player)
+function pova.do_override(player)
 
 	local name = player and player:get_player_name()
 
 	-- somehow player is missing on list
 	if not name or not pova_list[name] then return end
 
+	-- store player override list
+	local list = pova_list[name]
+
 	-- set base defaults
 	local speed, jump, gravity = 1, 1, 1
 
 	-- check for new defaults
-	if pova_list[name]["default"] then
-		speed = pova_list[name]["default"].speed or 1
-		jump = pova_list[name]["default"].jump or 1
-		gravity = pova_list[name]["default"].gravity or 1
+	if list["default"] then
+		speed = list["default"].speed or 1
+		jump = list["default"].jump or 1
+		gravity = list["default"].gravity or 1
 	end
 
 	-- loop through list of named overrides
-	for id, var in pairs(pova_list[name]) do
+	for id, var in pairs(list) do
 
 		-- skip any custom names
 		if var and id ~= "default" and id ~= "min" and id ~= "max" and id ~= "force" then
 
 			-- add any additional changes
-			speed = speed + (pova_list[name][id].speed or 0)
-			jump = jump + (pova_list[name][id].jump or 0)
-			gravity = gravity + (pova_list[name][id].gravity or 0)
+			speed = speed + (list[id].speed or 0)
+			jump = jump + (list[id].jump or 0)
+			gravity = gravity + (list[id].gravity or 0)
 		end
 	end
 
 	-- make sure total doesn't go below minimum values
-	if pova_list[name]["min"] then
-		speed = max(pova_list[name]["min"].speed or 0, speed)
-		jump = max(pova_list[name]["min"].jump or 0, jump)
-		gravity = max(pova_list[name]["min"].gravity or 0, gravity)
+	if list["min"] then
+		speed = max(list["min"].speed or 0, speed)
+		jump = max(list["min"].jump or 0, jump)
+		gravity = max(list["min"].gravity or 0, gravity)
 	end
 
 	-- make sure total doesn't go above maximum values
-	if pova_list[name]["max"] then
-		speed = min(pova_list[name]["max"].speed or speed, speed)
-		jump = min(pova_list[name]["max"].jump or jump, jump)
-		gravity = min(pova_list[name]["max"].gravity or gravity, gravity)
+	if list["max"] then
+		speed = min(list["max"].speed or speed, speed)
+		jump = min(list["max"].jump or jump, jump)
+		gravity = min(list["max"].gravity or gravity, gravity)
 	end
 
 	-- force values (for things like sleeping in bed when speed is 0)
-	if pova_list[name]["force"] then
-		speed = pova_list[name]["force"].speed or speed
-		jump = pova_list[name]["force"].jump or jump
-		gravity = pova_list[name]["force"].gravity or gravity
+	if list["force"] then
+		speed = list["force"].speed or speed
+		jump = list["force"].jump or jump
+		gravity = list["force"].gravity or gravity
 	end
 
 	-- for testing only