Is this normal??

I miscarried in may. 10 dpo I couldn't help myself and poas, I saw a vfl! Intold my husband and we were and still are beyond joyful! But I have been checking every day to see the line progression and it does not seem to be getting darker or lighter.. is this normal? Should I start to prepare myself for a less happy outcome? Anyone experience this and still have a successful pregnancy?? Any support or advice?! Please! I am losing my mind!

It got darker today! I can breathe again! Thank you all for your advice, hopefully it'll stick! And baby dust and good luck to all 💗💗💗