What butterflies come naturally in the previous sentence is: if you bloom.
From If You Bloom, Butterflies Come Naturally, a book published by China Textile Press in 2015 and written by Ya Nan.
Literally, this sentence means: if you bloom like a flower, then naturally the butterflies will be attracted.
Derived meaning is: if you are successful, girls will naturally come to you also can be said that as long as you make yourself good through hard work, good things will come and opportunities will come.
Sentence appreciation
"If you bloom, the butterflies will come", in fact, depicts an illusory scene, or expresses a kind of psychological phenomenon and state of mind in which people are at ease with themselves and take things easy.
This beautiful scene looks really dazzling, you see, flowers blooming, butterflies fluttering. All at once, it puts you into a kind of casual mindfulness. If you close your eyes and breathe in the fragrance of the flowers around you, you will immediately have a kind of comfort as if you were hypnotized.
It can be said that this sentence seems to be simple, in fact, it contains a very strong philosophical connotation. Everyone is like a flower, and the purpose of a flower is to attract attention and butterflies.