Actually in a cool comic about Finn and fp she eventually learned how to control her flames and could kiss finn without burning his body and did so in fionna & cake season 2 and it’s not cause of the fire it’s that fp body is made of magic flames so it probably is so unstable with magic that it absorbs the magic of the resistance which burns Finn or fp fire body is so powerful that a kiss makes her explode Finn regardless of the resistance Finn would get blown up all cause Finn and fp are different physically and emotionally tooÂ
Actually in a cool comic about Finn and fp she eventually learned how to control her flames and could kiss finn without burning his body and did so in fionna & cake season 2 and it’s not cause of the fire it’s that fp body is made of magic flames so it probably is so unstable with magic that it absorbs the magic of the resistance which burns Finn or fp fire body is so powerful that a kiss makes her explode Finn regardless of the resistance Finn would get blown up all cause Finn and fp are different physically and emotionally tooÂ