 we're sure they need our help and we think we can do it. So there's a great example of that physical motor preparation you were discussing. You were saying it might not make sense from a typical evolutionary perspective because his children were there, that his defense of them would be larger, his own survival being important for them. But at the same time, it does anecdotally seem to relate to the idea of all these hormones kicking in, a parental hormone or the hormones of caregiving.