"attachment to life" is correct and usable in written English.
You could use it to refer to a strong emotional bond with life that someone has, usually in the context of a difficult situation. Example: Despite suffering tremendous losses, she still has an unshakeable attachment to life.
("Of course, I have an attachment to that life," one of them told me.
"I can't ruin a memory, or I'll lose another attachment to that life," he said.
He also had an arsenal of snide and cynical remarks, byproducts of his drug and alcohol abuse and attachment to street life.
In 1996, there was a 212% increase over the previous year in the number of Mexican immigrants who became citizens.Home ownership is another powerful symbol of attachment to American life.
This attachment to ordinary life is not something that the author is above satirising in this superlative collection, going so far as to spell it out in one story, "Soup du Jour": "Everyone is coming out these days for the pleasures of ordinary existence.
While the name of Ms Kennedy, the daughter of the slain President John F Kennedy, has been circulating for weeks as a possible contender for the soon-to-be empty slot, many had imagined that her past attachment to a life of quiet and privacy would trump whatever political ambition she carries.
In Rousseau's view theater, far from improving the population, tends to weaken their attachment to the life of the polis.
PE teachers as well as public health nurses related these students' health behavior to a social heritage characterized by a lack of initiative and a weak attachment to work life among their mothers.
Heckhausen (1994) finds little difference between the life course and family orientation of western and eastern German adults living in Berlin in the early 1990s, with the exception of a stronger attachment to short-term life goals and a greater urgency in pursuing their immediate life goals among eastern Germans.
