Ugh. That is pretty jerky. Agree that you should still handle all of this on your own timeline and change your passwords. This might be too little too late, but I only come to this site on private/incognito browsing mode and I have password protected any file on my computer I don't want H to see.
Me (46) H (42) M:14 T:18, D9 & D11 4/19 - 12/19: series of escalating BDs 9/20 - present: R and piecing