One need not be a Freudian to suspect that Isaac Newton had experimental evidence for the following passage:

Only those bodies which are absolutely hard are exactly reflected
according to these rules. Now the bodies here amongst us (being an
aggregate of smaller bodies) have a relenting softnesse and
springynesse, which makes their contact be for some time and in more
points than one. And the touching surfaces during the time of
contact doe slide one upon another more or lesse or not at all
according to their roughnesse. And few or none of these bodyes have
a springyness soe strong as to force them one from another with the
same vigor that they came together.

I wish the same to this company.