thoughts on testing

Alyssa
We weren't trying this month. I swear we weren't. We didn't track anything and just had sex once. It wasn't my peak day according to glow but the day before.  I swear my boobs look bigger and I've been sleepy.  
I'd be 10dpo.  We just got hit with a crazy tax bill (grumble) so I was like ok let's take a month off.
Thoughts?  Has this happened to anyone and turned out to be real?