Feelings of shame and a tendency to self-isolate in order to hide the behaviors can result in loss of social support.
isolated
/ˈī-sə-ˌlā-təd/
adjective
occurring alone or once : unique
sporadic
verb
to set apart from others; also : quarantine
to select from among others; especially : to separate from another substance so as to obtain pure or in a free state
insulate
verb
to isolate or separate oneself or itself from others