First month TTC - could I be pregnant? Also crazy increased sex drive!

Hi ladies! 
This is our first month actively trying to concieve - we've been married for just over 2 years now and stopped using condoms about a year ago, but this month I decided to use an ovulation predictor kit and actually track my period. 
My period started on Oct 9th and ended on the 15th. 
We had sex twice on Sunday, Oct 19th and again on Monday, Oct 20th - I took the OPK test both those days and it was negative. 
We had sex again on Tuesday, Oct 21st and I took the OPK test afterward and it was positive. 
I took another OKP test the next morning and it was positive again, so we did it again that evening.
Could I be pregnant? The wait is agonizing, and according to the <a href="https://play.google.com/store/apps/details?id=com.glow.android">glow app</a> I should have ovulated on the 23rd, but my LG surge was earlier than that?
I am making myself crazy by analyzing every little twinge my body feels right now!