exhausted, worn out, spent, drained, weary, fatigued, beat, knackered, pooped, wiped out, dog-tired, dead tired, bone-tired, on one's last legs, ready to drop, completely exhausted
for some reason, it reminded me of:
https://www.youtube.com/watch?v=nreuFsfAt8o&t=9m20s
I had to extract this monologue from a rather specific video; I apologize. I couldn't find it separately in a good quality recording.

В тихой однообразной жизни всегда так бывает: каждый отдельный день бесконечно долог, но месяцы и годы мчатся с непостижимой быстротой.
I wanted to offer you some flowers, but a crown would suit a princess like you much better
Смысл жизни в том, что жизнь на тебе не заканчивается