It is narrated from a Jahni companion (may Allah be pleased with him) that he heard the Noble Prophet (peace and blessings be upon him) say: "A disbeliever eats and drinks with seven intestines, while a believer eats and drinks with one intestine."
Hadith Referenceمسند احمد / مسند الأنصار رضي الله عنهم / 23135