Is he interested in a relationship or just friendship?

He calls me almost every night. He texts me everyday even if he replies late. He doesn’t insinuate sex. He just told me yesterday that he’s curious and wants to know more about me. He watches all my stories in every single social media we added each other even if he hasn’t reply. We’ve been talking for a month. He asks about my day and tells me about his day. He calls me pretty. He told me that when he likes someone or is in a relationship he likes to protect them and check on them. I don’t wanna ask because I’m scared to trust

Is he interested in a relationship or just friendship?
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