Help !!!!

Nicole • Mom of 4 girls . Trying for baby #5. Hoping for a boy finally . TTC since October 2015.... Last baby was born in June
Okay need help I'm on cd13.... Had a solid smiley opk and two dark lines on frer opks yesterday . Well I just wanted to make sure so I took CB again and frer . Frer was light line but CB was a flashing smiley again. How is that possible ? Did I not ovulate yesterday ? I'm so confused on this crap. I guess bding tonight and tomorrow . What do I put in my app