Dear @alena-vladi, I want to admit that you really had a memorable experience no wonder you relate it in such a detailed manner.
The part that interest me is:

We drove right into the middle of the lake on our boat. There was utter silence around, and only the singing of exotic birds sometimes broke it.

as well as

At night, the house made groaning movements and creaked, because it was standing right on the water, and it was necessary to get used to these sounds. I couldn't sleep,

This most have been fearful. At any rate, your adrenaline most have improve.
Nice sharing and thanks.