I kissed my friend and he kept kissing me back, what does it mean?

i kissed my friend first. Then he started at me for a minute or 2. Then he kept kissing me back and kept going. What does that mean? plus he was kissing my forehead, what does that symbolise? I suck at wondering if someone likes me or not ๐Ÿ˜
I kissed my friend and he kept kissing me back, what does it mean?
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