have one's heart in it
see heart in it.
Is It OK To Have Sentence Fragments?A sentence fragment is a group of words that doesn’t contain all of the required parts of a sentence. In other words, a sentence fragment is an incomplete sentence. It generally lacks a main subject, a verb, or both. A subject is the noun (person, place, or thing) that performs the main action of the sentence. This main action is the verb. Conversely, a complete …
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.