This is a serious and pressing issue which must be:
Acknowledge, Addressed & Taken Seriously - by those whom are allowed and given 'authority' to teach about a 'Seal of Prophethood' on Muhammad's body - first seen on him, by many 'Sahaba' - between his years of 9-12 years of age.
Ignorance & Acceptance are two-key factors in proving one's audacity on the matter, esp where the 'Elders' are concerned.
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https://www.youtube.com/watch?v=TerzR7vSDDo