Getting an entire course of Novax. Does anyone have experience with infection with a booster or full course?

Hi there!
I am 30yo, with four doses of mRNA (3x Mod, 1x Pf), and I recently got my 5th dose of Novavax!
I am going for my second dose next week and hoping for my third dose next year when I get back from four months of remote ecologist work.

I am still super covid cautious, but my partner is over it and wants to go back to normal, so I have the risk of exposure through him. But I also kind of wanna go back to normal, as our relationship is strained due to my need for safety and his need for freedom. I will still mask because the thought of not masking makes my skin crawl.

ANYWAY, all this to say that I was hoping others might have some personal or anecdotal insight around Novavax doses and immunity or even the severity of sickness and risks of long covid. I read studies but sometimes get confused by the language. Novavax states it has demonstrated mucosal immunity after three doses, but what does that mean?

I've never had covid, from what I know. Always been safe and only got severely sick once in Oct 2021, which I wasn't sure was covid or not. Cases were low in Ontario, CA, at the time, so I am unsure. I bounced back and haven't had any complications other than my anxiety about the state of the gd world!

Any insight would be helpful. Thank you xx

PREFACE: I am a Canadian living in Australia, and because I don't have medicare, they have no track record of my previous doses. I found a pharmacist willing to jab me with the entire Novavax course, which was a huge relief.