YOU SAID:
I like watching YouTube because it makes me feel good
INTO JAPANESE
気分が良くなるのでYouTubeを見るのが好きです
BACK INTO ENGLISH
I like watching YouTube because it makes me feel better
INTO JAPANESE
気分が良くなるので YouTube を見るのが好きです
BACK INTO ENGLISH
I like watching YouTube because it makes me feel better
That didn't even make that much sense in English.