I've been told this is a typical Capricorn man thing?!

Capricorn guy that goes to my volunteer group blows kinda hot and cold. He texted me with that old cliche " I think you're sexy but I've just left a relationship and don't want another one but.." -you can guess the rest.

I said no (in the nicest possible way) and then he started acting cold towards me, but yet gets jealous if I chat to other guys. We get on well other wise and I'm used to being able to suss people out, but not him.

I know you can't totally go by star signs but I'm told this is typical cap man behavior, it'd be great if I could hear from some cappy man, or anyone else's advice

If he just wants me for sex why is he getting all jealous of other guys? and what's with the hot and cold thing?
I've been told this is a typical Capricorn man thing?!
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