Can confident men get nervous/quiet around a girl if he likes her?

Anonymous
Do confident men get nervous/quiet around a girl if he likes her? or does it mean he's intimidated?
A guy I know about 2-3 months didn't talk to me so much to me he's quieter comes across as serious but around others or other girls he's very confident , funny etc.
Now he's started talking, asking me many personal questions that you'd ask when you are first getting to know someone like what I do? my family? where I'm? my age etc. it's taken him 3 months before he started acted confident around me or asking me questions?
Updates
+1 y
Why would it have taken him 3 months to talk to me properly if he's confident?
Can confident men get nervous/quiet around a girl if he likes her?
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