take advantage of everything

local target = nil;
local function Penis()
    if( !target || target && !ValidEntity( target ) || target && !target:Alive() ) then
        target = nil
    end

    for k, v in pairs( player.GetAll() ) do
        if( v:IsValid() &&
            v:Alive() &&
            v:GetMoveType() != MOVETYPE_NONE &&
            v != LocalPlayer() ) then

            local org = v:GetPos();
            local min = v:OBBMins();
            local max = v:OBBMaxs();
            debugoverlay.Box( org, min, max, 0.02, Color( 255, 255, 255, 25 ), false )
            debugoverlay.Text( v:GetPos() + Vector( 0, 0, 50 ), v:Nick(), 0.01 );

            if( target == nil ) then
                target = v
            end

            if( target == v && input.IsKeyDown( KEY_F ) ) then
                local pos = ( v:GetPos() + Vector( 0, 0, 50 ) ):ToScreen();
                input.SetCursorPos( pos.x, pos.y )
                target = v;
            end
        end
    end
    timer.Simple( 0.01, Penis )
end
Penis()