-You avoiding him from the start.

-He is much nicer and softer when you're around, so, people usually approach him when you're around or with him.

-Kurt being overprotective of you.

-Kurt not flirting or harrassing girls once he is dating you.

-He eventually stops doing the stuff he did before you two dated and rarely hangs out with Ram now.

-Heather Chandler trying to break you two up for no actual reason.

-Kurt making up to the people he bullied before.

-Kurt loves hugging you, so expect him to be hugging you at random moments.

-Kurt always wanting to be by your side.

-Kurt later on going to become a lawyer after high school and college and law school and you eventually marrying him.