New FWB today in Costa Mesa

so I was in Costa Mesa this morning for a workshop and I went thru my short list of FWB to see if anyone was free in the area-I contacted Chris F who I chatted with thru emails back and forth from a C_ Yoshie:And we avoid each other as much as possible.(7 April 2017) Yoshie:So the [...]
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Nydia:
So to be extra safe I took one more test on the 4th(over a month after sex) and it was negative.
(8 April 2017)

Nydia:
I was still nervous so I took two tests on the 20th and one the 21st and both were negative.
(8 April 2017)

Nydia:
I then got my period on the 8th.
(8 April 2017)

Nydia:
So I had sex on the 2nd and my calabder said I ovulated on the 22nd give or take a few so that aleady makes it impossible right?
(8 April 2017)

Noemi:
Signs of a guy stalking you?
(8 April 2017)

Delicia:
Guy hesitates to leave at the end of the night?
(8 April 2017)

Delicia:
We were all at a friend's house and he is a coworker.
(8 April 2017)

Delicia:
But he doesn't seem shy in general?
(8 April 2017)

Delicia:
I turned and stared back and then he looked away and left.
(8 April 2017)

Delicia:
I'm confused if this guy actually is interested cause he hasn't shown many signs (hasn't asked me out, etc) but he very obviously hesitated to leave at the end of the night and turned around at the doorway and was staring at me while I was with a friend.
(8 April 2017)