What are your thoughts.....

[Steve M]

Base on your description, I've still got 2 outs and the bases loaded - with a run scored. Some part of the runner went past the plate, to me, that qualifies as past the base. The defense did not make an appeal on the missed base, so there is no other choice but safe.
I do not see a "definition" of what constitutes passing a base, that's why I'm very comfortable with any part of the runner being past the plate meeting the requirements of "passing a base".

Now, I don't think your partner did you any good. Those discussions should always take place alone, away from the field - in a post game meeting. When they happen during a game, not much that 's good is likely to happen - somebody else may overhear, you may think about your partner's words and be distracted from what happens next, ...