Your mutation was slowly destroying you from the inside, and if the right treatment wouldn't be found in time, nothing could ave you from the death's arms.

Kurt prayed for your health everyday, participating in researches and missions to find a way to help uou. But deep down he felt that you two probably didn't have much time left for each other.

Whenever you'd have the strength to go out, he took you on dates, buying you things you dreamt about or loved so much, trying to imprint every sight of you smiling in his brain.