Sorry to hear that you are ill, but I'm glad you'll be able to get some rest. That's such a great idea to adjust your schedule mentally for his tardiness, must help with any frustration!
Your sitch sounds very positive, with nice movement toward a real identity and commitment of couplehood. Getting kisses even when sick is big! He's gambling with germs for the woman he loves!
Surviving a custody battle is very rare - I'd count it as a blessing, too! You've made a very healthy decision about distancing yourself from your mother for now. Stay true to your intuition about this rather that H's sense of what's 'proper.' I truly wish my wife would 'get it' regarding her mother's ill effects on her, but that is for her to decide.