The phrase "flames of passion" is a metaphorical expression that refers to the intense emotions or feelings of love, desire, and enthusiasm. Full definition
It's hard to keep the flames of passion alive in your marriage when the bulk of your day is dealing with spit - up and poopy diapers. (pregnancymagazine.com)
Some people want to maintain the flame of passion while others want relationship based on loyalty and affection. (bestfamilyguide.com)
Some couples struggle to light the flame of passion in their relationship with all sorts of tricks, fantasy plays or sex toys while other couples struggle not to fall apart because one of them experience the uncontrollable attraction towards a third person. (freeonlinedatingsite.org)