From One to the Other
If this lady can cradle a bottle of Jager, then she could definitely take care of a child. Those two things are reciprocal, do not ask any further questions.
Like Father Like Son
It's not every day that you get to see the beginning and the end of a fatherhood relationship. It seems like having a kid actually enriched this dude's life massively. That's pretty cool, and you should use them as an example of how to be.