Should I talk with him about defining the relationship?

I've been going out with a guy for a month now. We saw each other about 7 times now, and once I spent the whole afternoon at his place. We're both making plans and texting constantly, but we haven't had our first kiss yet. A hug for hello and goodbye is maximum physical contact so far. We're both 21, introverted and pretty inexperienced with relationships.
Do you think we should have kissed by now?
Or at least least have that "What are we?" talk?
Should I talk with him about defining the relationship?
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