My+manner+had+convinced+them.


 * My manner had convinced them.**

Manner- a way of doing, being done, or happening; mode of action, occurrence, etc.: //I don't like the manner in which he complained.//

Convinced-to move by argument or evidence to belief, agreement, consent, or a course of action: //to convince a jury of his guilt; A test drive will convince you that this car handles well.//