Looks like to me it's the paralyzing effect of the coldness being used as a metaphor for inaction...the subject can't be spurred by the heat to actually alter it's life, but the speaker is pleading (DON'T LET IT STEAL YOUR...) the subject to go before the cold fully paralyzes him/her/it.
Looks like to me it's the paralyzing effect of the coldness being used as a metaphor for inaction...the subject can't be spurred by the heat to actually alter it's life, but the speaker is pleading (DON'T LET IT STEAL YOUR...) the subject to go before the cold fully paralyzes him/her/it.