Believe it or not, this sentence is simple.
Yes, it is quite long, but it has one subject (daylilies) and one verb (are). As a result there is one independent clause.
This single independent clause has some adverb and adjective phrases, but the sentence is still a simple one.
Living with secrets is painful is what I would put.
A) Metaphor, because the author is saying he/she IS someone else, rather than just LIKE someone else.
My sister cannot surpass being in a relationship with someone who would supplement her personal growth
