Use of idioms.
is the following sentence well constructed and are the idioms correctly used?

- Had you stayed with him and it would have been like casting pearls before swine. He cannot hold a candle to your intellectual capacity.

Question

Use of idioms.
is the following sentence well constructed and are the idioms correctly used?

- Had you stayed with him and it would have been like casting pearls before swine. He cannot hold a candle to your intellectual capacity.

Answer

Had you stayed with him, it would have been like casting pearls before swine.

2) If you had stayed with him...

This is beautiful use of language, by the way.

- Godfrey Silas