Maturity is very essential in life and a mind that is full of possibility will always live a considerable life style. People used to against distance relationship because of the problems involved,but to me, it has no psychological effect in as much as both of them are very sincere to themselves.
Love and trust are very essential in a relationship, they are the ingredients for a long lasting relationship.
Though,if we critically look at it,series of people have been a victim of love because their partners breached the promises they made together
Sincerity is the pillar of love, a lot without trust is just like a he use without pillar and such a house can collapse anytime. so far the duo are very matured and truthful to themselves. Trust matters a lot as it is a concrete bedrock of love, they need to see themselves as one and ability to resist all forms of temptation from different angles.
Love your spouse sincerely and do not betray the trust he/she has for you.