Dating

Why on our second date did he kiss me agressively with tongue right away?

What does it mean? This guy kissed me and right away put his tongue in my mouth and was fast and sloppy. I was really uncomfortable so he stopped after like 4 seconds. I was so uncomfortable I didn't even really kiss him or move my lips. I felt almost disrespected that he did that so fast and aggressively. Why would a guy do that? Was he just really attracted or he just didn't know how to kiss? I don't know help!
Why on our second date did he kiss me agressively with tongue right away?
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