It's kind to thank your boss when he resigns.
Lina has been working with her boss Pete for several years and Pete is resigning.
Lina wants to say goodbye to Pete.
Lina attends Pete's farewell party and thanks him for his mentorship with a card and a hug.
Lina attends Pete's farewell party and tells him goodbye and that she is glad he is moving on because he  was such a demanding manager.
The next year, when Lina applies for a new job, she uses Pete as a reference, and he gives her a glowing review, leading to her getting the job.
Lina is not able to use Pete as a reference when she applies for another job, leading her to remain stuck in her previous position.