Here is a sentence which meaning I can't understand clearly:
Ever since I was a child I have been happiest living in the sphere of a story. [Source]
Does "happiest" relate to "living" (attributive adjective) or to "I" (predicative adjective)?
What tenses are used here?
Present Perfect Continuous (have been living) Present Perfect (have been happiest) + adverbial clause (living)
or maybe something else?