Indo-European, Indo-European, etc., etc., down the line until - oh, look - Uralic. Finnish, you're fine the way you are. (I am currently teaching my parakeet to say "rakastan sinua" and I am not Finnish!) (Neither is my parakeet.)
The 20 funniest Finnish expressions (and how to use them)
Finnish language has 16 cases. We do not use prepositions or articles at all. Finnish is most closely related to Estonian and Hungarian.