I can't make any sense of what's happening.

You needn't. What you are writing has a good "vibe". Keep up the spirit. Over time there is a chance that W is meandering back to you.

I51 XW51
T30 M18 D11/11 S9
2/12 ILYBINILWY
3/12 I left home
4/12 PA
9/12 XW left home and moved in with OM
4/13 I moved back to home
6/14 Big D