If u want to make out how trust worthy ur frnd is tel her few secrets of urs
not real jst make some fake secrets of urs nd tell her nd wait for few days if u listn d same thing being a gossip point in ur group behind u dn she is not trust wrthy nd if it goes other way den ya she is.
bt I wud suggest 1 thing nvr share a secret to any 1
bcz if it is shared it is no more a secret.......
To tell someone trust worthy or not, first you must give them your trust, it they can maintain it then pass the test of trust worthy. Trust worthy person generally is loyal and honest.