equally intelligent, just in a different field. this way, you can always learn from another, while never competing with knowledge. this also means you both need to be curious and interested about each others stuff, which is just as important as intelligence.
kde or gnome or what DE/WM you using?
if yiu want them timed, you can just put the respective settings command in your crontab
https://hannes.hauswedell.net/post/2023/12/10/darkmode/ mught help with the commands