kinship, family relationship, human relationship, friendship, relation, marriage, intimacy, partnership, interrelationship, interaction, more...

isolation, detachment, estrangement, solitude, alienation

open relationship, more...

close, direct, personal, positive, intimate, special, linear, causal, sexual, significant, therapeutic

personal connection,   close connection,   r-v connection,   romantic connection,   connection with,   relation between,   the connection,   dating word,   love situation,   value connection