"Raison de plus" means - all the more reason (for doing something).
The reason of my choice
"je déteste vous donner une raison de parler de moi" means "I hate giving you a motive for speaking about me"
Mariage de raison - 1899 was released on: France: 1899 USA: 1899
tu es ma raison d'être, ma raison de vivre
Raison d'être
The word "walida" is not a French word. "Ma raison de vivre" means "My reason for living".
The cast of Raison technique - 1986 includes: Hilt de Vos
Raison d'être means "reason to be / reason for being" in English.
tu es ma raison de vivre, tu es ma raison d'être
you are my reason for living
The cast of Caza et la raison du plus fort - 1914 includes: Lucien Cazalis as Caza
I believe it means "I am very happy because of you" or "You make me very happy"