The phrase "affectional bond" refers to a strong emotional connection or attachment between two individuals, usually based on love, care, and deep affection towards each other. Full definition
Out of this experience, children form an enduring affectional bond with their caregivers that enables them to use this attachment figure as a secure base across time and distance. (personalityresearch.org)
[jounal] Bowlby, J. / 1977 / The making and breaking affectional bonds I: A etiology and psychopathology in the light of attachment theory, II: Some principles of psychotherapy / British Journal of Psychiatry 130: 201 ~ 210 (kci.go.kr)
First, there is the process of attachment / caregiving or complementary affectional bonding, the prototype for which is the parent - child relationship. (religion-online.org)