LG Voyager VX-10000

So when I hit new message you get the screen that has 1/10 then the numbers...so I go to contacts and scroll to who I want. When I go to the message it will have the person I selected plus whoever I sent the last message to in there (2/10...)its keeping the check in there for anyone i sent the last message to. Anyone else notice this? This just started recently for me...