goodnight everyone!

here I have a riddle for you..

| ...there is a beautiful girl and 2 men's fall in love with her, one of the men is a doctor and other is an engineer...so what happen is
the engineer have some work in other country for about a week and he have to go and he wants the doctor not to meet the girl...so, what he do is he gives 7 apples to the girl he loves .... and then he lives for his work.

why he gave 7 apples?

answer fast if you don't know then I will answer in the comment box...
okay guys....​