My mentor has always said this to me and I've seen him carry it out in his own life over and over. Treat people with kindness and do what you can to improve their life or even their day in whatever way you can, even if they can do absolutely nothing to improve yours.
Strugglers, Stragglers and Seekers: Daily Devotions for the Rest of Us - Peggy Haymes (daily devotional guide)
Then again....they might not miss it. Probably because you've been replaced. Never lied, always true and yet didn't matter. Feels like you've never been wanted. Thought they were different...guess not! Someone else will appreciate me and then it will be too late for you.