Sometimes words do not speak, sometimes you only need the comfort that's brought to you. Even lines on a paper mean the most when it's from someone you love dearly, from someone you've lost, and shall those words forever hold a place in her heart.
Twilight and Discord form this strong tension, it was new, the two have bonded closely lately over different things and interests but they stopped talking one day. Twilight is unsure of her feelings, she doesn't know what is going on with her.