I Love You This Much - would be a great saying for a child's room, in love and relationships, and even for knowledge and self cultivation. We need to love ourselves more!
And it's sad to me that some people can get married and never be 'very married'. Or commit to it and then change their mind....especially when children are involved
100+WAYS+TO+SAY+I+LOVE+YOU "I don't have the words to tell you how much I love you. Maybe if I loved you less, it would be easier to talk about it."