it is really difficult to achieve mutual trust through the presentation of certificates and documents, which inherently holds a risk of misconduct from the bearer of those document and conceptualization from the reception party performed, while the validity of those documents was not verified.

in other words, you can hardly see through the real meaning of those, and can hardly see the hearts from the person who is performing such an activity.

Although the earlier mentioned could be progressively assessed while time last, time does be an important factor for both parties who participate in the matchmaking: no body with enough time left would take practice in such a way.