This Putin invasion was thought to last a few days to a week at most.
In the beginning.
The reality very different and this article goes into how Ukraine are making the previously thought to be world’s number two army a thing of the past:
Ukraine are showing the saying it is not the size of the dog in a fight but the size of a fight in a dog to be true.
More than true no less.
A superhuman effort from the Ukrainians repelling the occupiers.