Which of the following defines intimacy?
(a) a sense of trust
(b) unconditional giving and receiving of love partners display caring, warmth, acceptance, and social support partners
(c) display positive affect toward each other
(d) feelings and actions that serve to maintain the relationship

D is the answer

Explanation: you have to start by feeling something towards your partner after you feel the chemistry between the two of you then you display those feeling through actions which can be through cuddling in bed , holding each other tight , getting cozy on the couch but it always start with feeling which are then displayed in action towards your partner .these are usual the closest form of actions towards your partner rather than general actions that can be done by anyone at anytime .