Wiktionary
lose your mind
vb. 1 (alternative form of lose one's mind English) 2 (en-third-person singularlose your mind)
Wikipedia
Lose Your Mind
"Lose Your Mind" is BoA's 24th Japanese single. Alongside the title track is one B-side, "Smile Again". Lose Your Mind was released on December 12, 2007.
Usage examples of "lose your mind".
You'll fight the infection, try to kill yourself before you lose your mind and change into one of the creatures.