Any tips for mummies who are looking to transition back to work? How do you transition smoothly from maternity leave?

I started working 2 months ago after 6 months at home with my son. My son was coping pretty well because my mum started being more involve with him at T-2 weeks before I started work so he was familiar with her and didn't fuss at all when I leave. Myself on the hand was in such a bad state. I missed my kids terribly and kept asking my mum to send me pictures and videos of them at every opportunity I got at work. It didn't help that I started at a new company so I was rusty + new + distracted