Is it because when I am sick I allow myself to accept that love... . or perhaps even feel I deserve it?
Is it because it is what I would do for anyone else?
Is it because when I am sick I stop care taking long enough to let someone else focus on me... . or that I actually take the time to focus on me then?
You ask good questions: Maybe you should answer these questions - they are your feelings
Remember there is no right or wrong, simply is this sometimes true for you.