Are these signs of real interest from a girl or she just wants some attention?

Anonymous
When a girl -
* Tries to look good for a guy, (wearing nice clothes)
* Tries to make a guy jealous by being on phone or flirting with other guys.
* Trying to prove herself that how good of a catch she is.
* Making eye contact with him for 3-4 seconds and giving him that "love" look.
* Plays with her hair when the guy is near her.
* She gets insanely jealous if that guy talk to any other girl.

What does it tell about her interest?
She really likes that guy, she wouldn't be trying so hard if that was just for attention.
Vote A
You can never tell if its just for attention or she is really interested in the guy.
Vote B
Other (please comment your opinion)
Vote C
Select age and gender to cast your vote:
GirlGuy
Updates:
+1 y
Also -

*She tells about this guy to her friends and her sister.
Are these signs of real interest from a girl or she just wants some attention?
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