they remember how the first person nominative singular pronoun is such a skinny and lonely but still bold single letter `` i , '' and they recall that the verb must agree with its subject so that there is no suffix `` s '' on it , making it indistinguishable from the infinitive , and it pleases them to recognize that the present tense of the verb `` love '' is really a timeless present , and most of all they delight in the grammatical knowledge that it is a transitive verb that takes the direct object `` you , '' so that all three words are bound up into a unity ; and so even though simple , `` i love you '' is still their favorite sentence .