The benign and low magnitude emotions or behaviors are sometimes the next door neighbors to the toxic and crazy ones because they share the same root. There is a gray area where it stops being benign, but it all depends on the individual and the situation.
Jealousy can be a valuable tool if it's understood and used to move forward. It's not a bad thing unless you wallow in it and let it consume you.
Communication is key in building a healthy relationship. Expressing your emotions and working through them without attacking each other can help you grow together as people.
The speaker believes that information is the key to helping each other get ahead instead of merely viewing those who have more as competition.
Insecurity paired with entitlement and lack of empathy is the problem in relationships, not just insecurity alone. The ultimate experiment in a relationship is when both parties see the masterpiece in each other and are supportive of each other's success.