Yes i do know what you mean, last year i added a year on when it was my birthday, i was convinced that was my age.
I think your right about stress making things worse and relationships do seem to cause some of the worse kinds of stress.
This site has really helped me even if it turns out not to be ms, i find it difficult to tell family or friends about my symptoms, they are not easy to understand and sound so odd sometimes. Even those close to me now i just say im ok, its too exhausting to go into detail with them. Do you have any support around you?