Help 😫

Jane • 46, Pro Athlete and Trainer , mom of a 24 and 20 years old girls . TTC Again for over 4 years and nothing yet.
The picture with one Stick was from yesterday 
The picture with 2 sticks was from today
 ( I couldn't figure out the result so I check twice)
I am on my fertility window "according" with <a href="https://play.google.com/store/apps/details?id=com.glow.android">Glow app</a> but am I ovulating ? 
At 43 and mother of 2 that I did not planned on my 20s 
I wouldn't guess it could became such a stressful process to get pregnant again. FrustratingÂ