...But with these practically illegible writing, even if he read it, he couldn't possibly know that...

Knowing Marisa, I don't think that she will ever reveal that...

Knowing Marisa, I don't think that she will ever reveal that...

It was a Love Letter that she/I wrote for me/him when she/I was a little girl.

It was a Love Letter that she/I wrote for me/him when she/I was a little girl.

The ability to name and know the function of the item.