End your contribution with a period. When we are unsure or hesitant or nervous it is possible that we will end on the uptick, with a question mark. Consider the difference. How do each of these sentences land with you, “So I think that maybe we should think about a collaboration with them?” or “I recommend that we take the time to discuss a collaboration with them.” Let your audience feel your expertise, your take on it, your recommendation. Period.
I teach team members how to productively interact with leaders who are significantly older or younger than they, not the typical ‘generational’ stereotyping method but one built on the skills of successful human relations.