Who said "I will stand with you, even unto death."?

This quote is attributed to Drax.

I will stand with you, even unto death. - Drax

"I will stand with you, even unto death."

Drax

"I am Groot."

"Nothing goes over my head. My reflexes are too fast. I would catch it."

"I live for the simple things. Like how much this is going to hurt."

"Do you know what it's like to live every second of the day with the feeling that you're about to cry?"