opening one's heart (verb) confess: admit, confirm
Sinonime: confiding,
credulous,
easy,
inexperienced,
ingenuous,
innocent,
naive, off guard,
simple, swallowing, taken in, trustful,
trusting,
unconscious, undoubting, unsuspicious, unwarned, unwary
Antonime: conscious, expecting,
knowing, realizing, suspecting