On the reading thing: Reading to and with kids is important. Since you may not be able to count on ex for that, make it a big part of your time together with S6.
All 3 of my kids were great readers but honestly, they all read differently. Two were sight readers, one read phonetically. There are pros and cons to each approach. If your sons school emphasizes one approach, maybe you can offer a different approach at home. ( I remember one very experienced teacher my kids had, talking about how when the district swung away from phonics, she still kept all her old phonics instruction materials. )
The Harry Potter books were great to read to my kids because each chapter ends with a cliffhanger. They’d beg for another chapter!
