Do Adrien and Marinette ever end up together?
On more occasions than one, the creator of the series, Thomas Astruc, has confirmed that
the teenagers in the show will end up together, no matter how many seasons it takes (seasons 4 and 5 have been ordered).
Why can't Ladybug know who Cat Noir is?
The reason she doesn't like Chat Noir is because
he doesn't act the same way just like Adrien like Ladybug bc she's brave and daring and intelligent and confident but he doesn't see those qualities in Marinette (bc she gets too flustered around Adrien she isn't able to show him her true self).