I (F29) found multiple passports of my bf (M33) with different information. Help

I copy and pasted "I was making some space in his cupboard when I noticed a slit in the wood base. I could get under it with my nails and when I got it open I found passports from random countries." into Google and a post came up from 2009 with the exact same title.

Here is the link

/r/relationship_advice Thread