'true affection' is correct and usable in written English.
You can use it in order to express strong emotion or love. For example: My parents have shown me true affection throughout my life.
Here, affectation masks but cannot conceal the value of true affection.
Many worried about the possibly lost distinction between sex and true affection.
He conveys an encyclopedic knowledge of Hollywood treachery, which doesn't stop him from occasionally demonstrating true affection for Larry.
"When can we talk with a face, instead of using all these strange devices?" asks True Affection; well, quite.
He has an equilibrium because he has the true affection of a family, which is very important for him".
History suggests true affection will be born only when he endures defeat, gracefully accepted and bravely combated.
Oh, I have made myself a tribe out of my true affections, and my tribe is scattered!
Amid the chaos, only LaBeouf really comes unstuck, fatally miscast as the object of Joe's true affections.
Mr. Plummer's Prospero is not merely a string of majestic speeches however; he is also a man of palpable flesh and blood, of deep and true affections.
Wendy, who has since grown her hair out long again, will always hold onto the genuine affection and true love that she and Tim displayed not just privately, but also on television.
Her stepfather, Hugh, was equally distant, and the two sons of the second marriage were too far apart from her in age to provide true sibling affection.
