Sometimes, when I am trying to put into a sentence all the commas that should be there, according to the rules, it begins to look like a list of items - a comma after every word. (Edit: and as David Schwartz pointed out, even worse, it sounds badly)
For example:
If we saw it as Kris, then, personally, I do not understand how ...
Is it possible to omit some commas in such case? If yes, then how could I determine which commas are less important and could be omitted?