What criteria do we follow when choosing friends, partners and spouse: beauty, money, common interests, character? May be we miss something important?
Vibrational level influences our life and our relations with others. Only people with the same vibrational level can have perfect relations. 2 or more levels difference is adverse and you will have disputes.
Have you ever had times when serious relations with an interesting person failed for unknown reasons? Sometimes you just need to hear voice of a stranger (his/her voice vibrations) to feel alliance.
It is not always psychology. We often feel an internal and almost physical antipathy towards others but we reject to take it to heart. This may affect our future and future of our loved ones.