I feel like Naruto would 'flirt' with people without even knowing what he's doing 

Naruto: Hinata you make really good food, you would be a great wife!

Hinata: *brain go brrr brrr*

Naruto: Thanks for healing everyone Sakura, you would be an excellent mom because kids get hurt all the time

Sakura: ...wtf...

Naruto: YOU KNOW SASUKE I KNOW YOU CARE ABOUT ME SOMEWHERE IN YOU COLD HEART! YOU'RE LIKE THE PERFECT DAD BECAUSE THEY NEVER SEEM TO CARE BUT THEY REALLY DO

Sasuke: ...

Naruto was sent to the hospital after that