[cyberdata]

Get physically active. You would need a LOT of energy to be around your son. I wish I was fitter when I became a father. That would have really helped.

Once you get more energy, things will fall into place. So keep that as your first priority.

[boruto]

It gets progressively more physically demanding, Much more if the baby has health or other issues.

I used to get heavy migraine attacks, I could just shut myself in a room go to sleep and recuperate. Now I pop couple or even three ibuprofen to get by.

[SamPatt]

This advice is almost always good regardless of circumstance.

Achieving and maintaining a healthy weight, and being fit enough to care for yourself and others as long as you can, are life-changing decisions for the better.