One thing I found is I got fed up with traffic, so I'd find different routes to my destination where possible - it's no fun on the main island that leads to the M6
Now, I'd thought about lighting myself up to be seen but I do remember being caught out when I first went on the more rural route and not having enough lighting to see so depending on your likely routes it may be worth considering - although from your earlier posts sounds like you may have that covered.
Other than that - if you've not already got one - save up for a good high vis waterproof mine became invaluable in the end. I also resigned myself to the fact that no matter what I did my feet would be soaked through when it came to wet / inclement weather - but overshoes kept them warm without the overshoe the mix of water and draft made me very uncomfy - same with hands - yes yes MTFU etc. but this is day in day out riding it's a different beast.
The only other thing I can say is build it up, I started aiming to do 3 in 5 (i.e. day on, day off, day on, day off, day on, weekend to get doms/niggles out the way), it soon came round that I'd miss the commute when I was unable to do it - so enjoy it
*bit late to the party - but ya know...