Moses seeks reassurance. As the 12th century commentator Rashbam explains, Moses says go God, I know you said you'd send an angel to protect us, but I would much prefer if it was you, yourself.
This behavior hearkens back to the Moses we meet at the beginning of Exodus, the Moses that doesn't want to lead the Israelite people, the Moses that thinks of excuse after excuse as to why he isn't the right person for the job.
Matzah. It's the bread of affliction, the afikomen, the basis of the Hillel sandwich. It represents the ferver of excitement as the Israelites were on the cusp of freedom. There was so much to do, so much to prepare, that the bread did not have time to rise.
Judaism displays this with a concept of a *minyan.* Whenever there is a prayer service, there are certain prayers that can not be said allowed unless there are 10 Jewish adults present. This shows the power of community, friendship and solidarity, but it also teaches the power and of difference diversity.