I need to know if he is lying to me?

[skjdiosjaidjiwjne]

okay so I've been talking to this guy for like 3 years, I've kissed him, we send each other "pictures" and uhm yeah we talk on the phone a lot and we say "I love you". A while back like in October him and his girlfriend broke up, and now me and him talk but we don't go out we flirt a LOT and all that good stuff. Recently I found his ex girlfriends tumblr and she is posting pictures of them kissing and they took Christmas pictures and all that 2 days ago, and on twitter she refers to him as her boyfriend. But when I ask him if he has a girlfriend he always says no......whats going on? Also I asked him where did I stand with him and he said I stood as a person he talked to, and if he wanted a gf right now it would be me.....so why doesn't he just tell him he has a gf, cause I like already know....btw..Im in love with him. -_-
Sorry I'm putting it in this section, I know most girls could answer me in fashion ahaha