The sun will rise again tomorrow, so if something didn't work out today, try again tomorrow or the day after. With chronic illnesses, fatigue and pain will often change or limit your plans. Don't worry--let it go. There's still time.
Sometimes the people meant to be together, when they finally find each other after a lifetime of loneliness with other people, just have to take it as it comes and there is no chance to do it all perfectly.