Gitlis advises the student to use the mute in this movement and makes some reflections about the beginning: to think and mentally prepare the notes before playing. In this matter, he tells an anecdote about his recording of Sibelius' Violin Concerto. Both at the beginning and, in general, in all the entries, the student must take more time.
Perhaps it may help imagining Tchaikovsky entering the room. Violinists are lucky, since they can completely express their feelings with their instrument. She should play freely and without fear, and it must be intimate and melancholic, without being sad. After mentioning Beethoven's Concerto, the professor advises to listen to the harmony and the change of color, and not use too much bow. The student must feel it, and then do it.