What does love number 1040 mean?

Love number 1040 stands for double love for you. 1040 is twice as much as 520 (I love you), so it means I love you twice. It can also be understood that "I love you" belongs to two people, and love is mutual. Other numeric passwords starting with 1 are love numbers:

13 14 for life

Love you forever

14 14 dead!

You are my wife.

147 One Love in the World

1573 spoony

1920 still loves you.

1930 still miss you.

Extended data:

507680 I have to chase you.

I am your husband.

I am yours.

I am your wife.

I love you too.

587 129955 I don't mind loving sooner or later.

I love you forever.

I love you too.