I haven't gotten a cold or flu from working on TMS.
I used to get colds all the time when I worked at various places.
I began working at home 40 years ago and can't remember having a cold or the flu since I began.
I hated my last job and everyone had colds and I think they hated the place, too.
If we're happy, I think our immune system fights off colds.
Journaling can be hard for some people but was easy for me, maybe because I'm a writer.
Don't worry about doing it "right." Do it any way you like. I used to spend 20 minutes a day journaling,
and paid no attention to whether I was journaling each day on either the past, present, or future worries.
I just wrote about whatever came to my mind that day, usually in the morning.
If journaling by writing is a problem, maybe just talk to yourself about whatever may come to mind,
just try to find those repressed emotions.