Some days he's super flirty and affectionate and we talk how we feel about each other. Then the next day, he's just friendly and says things you say to your buddy not a girl you're seeing. When he does that, I'm not sure if all the other stuff was true or he was just saying it for sake of saying it. What do you guys think?
This sounds normal. You should expect to see different moods. Sometimes flirty, sometimes friendly, sometimes upset, etc. Just like you probably don't want him to expect you to only have 1 mood all the time, right?