Methought I heard a voice cry "Sleep no more! Macbeth does murder sleep," the innocent sleep, Sleep that knits up the ravell'd sleave of care, The death of each day's life, sore labour's bath, Balm of hurt minds, great nature's second course, Chief nourisher in life's feast— Act 2 scene 2
As a response to 7, 10 was holding it in so he could see all his companions again as himself and could do no longer when he reached the TARDIS. The build up of energy made it explode out of him whereas with 9 he just let it happen.
“I will not die an unlived life. I will not live in fear of falling or catching fire. I choose to inhabit my days, to allow my living to open me, to make me less afraid, more accessible, to loosen my heart until it becomes a wing, a torch, a promise. I choose to risk my significance; to live so that which comes to me as seed goes to the next as blossom and that which comes to me as blossom, goes on as fruit.” — Dawna Markova
Somebody's everything by Saving Annabel Lee. "Don't cry darling hold me close. Dry your eyes and take my hand. Let's pretend we are off to neverland. You feel like nothing but I see a smile. So until you feel better ill be here for a while. So kiss my cheek and hold my heart. It's never too late for a brand new start. Your somebody's everything sweetheart. And this is that very start." (INO)