[Caellian]

This is what i've got, hidden on login, but doesn't show up on mouseover.

Beginning of the style (where the OnEnter/OnLeave were)

	local function Hide(f)
		f:Hide()
		f:SetScript("OnShow", f.Hide)
	end

	local function Show(f)
		f:Show()
		f:SetScript("OnShow", nil)
	end

	self:SetScript("OnEnter", function(self)
		if(unit == 'player') then Show(self.Experience) end
		UnitFrame_OnEnter(self)
	end)

	self:SetScript("OnLeave", function(self)
		if(unit == 'player') then Hide(self.Experience) end
		UnitFrame_OnLeave(self)
	end)

And at the end of the self.Experience block

Hide(self.Experience)

P3lim, if i use yours with

f:SetScript("OnShow", function() f.Hide end)

i get a

Interface\AddOns\oUF_Caellian\oUF_Caellian.lua:282: '=' expected near 'end'

. Line 282 is yours just above.