This is all we've used too, since I no longer need to download photos from my camera every night. Even at home, I use my tablet FAR more than the laptop.
By and large, the menus are the same, fleet wide. Here is a link for the MDR 7 day dinner menus
https://profcruise.com/princess-cruise-lines-2022-dinner-menus/
What is it that you are afraid of? Some ne'er do well is going to stand around in your corridor, possibly for hours, waiting for you to open your door and then attack you?
I used noise cancelling headphones for years, and really liked them. Mine were Bose. Then DH gave me a set of Bose noise canceling ear buds, and I absolutely LOVE them. Comfortable enough to sleep with them in on overnight flights. DH had a set of NC headphones by Sony that did the job for him.
I've also used them on long European train trips, and when lying by the pool to listen to music without disturbing my neighbours.
1918 was influenza. Thousands of people still die of flu every year in your country. Influenza is still present.
Covid is not influenza. Since you won't cruise until it is eradicated, then I'm sorry to say your cruising days are over.
I don't know if the cruiselines doubt that Phillipinos can afford cruises. Rather that there is insufficient demand to originate cruises there.
According to cruisetimetables.com., there are only 4 cruises scheduled to depart from Manila in '23.
Well, you do you, of course. And if you buy the full size containers of each of those items, and insist on multiple medications to treat the same problem, then yes, you may have a space issue. I use a modicum of discretion as to size, limit the variety of meds to the basics, and everything fits into a 2x4x6 inch travel case, weighing less than half a pound.