Friendships are sometimes challenging and they often cause a lot of heartbreak.  Relationships are a central part of life for everybody, so when they become challenging it causes much suffering.  I have collected the following quotes as a list of the best relationship quotes ever, which will help in resolving any challenges you may be confronting.

Shared joy is a double joy; shared sorrow is half a sorrow. -Swedish Proverb

At bottom the world isn't a joke. We only joke about it to avoid an issue with someone, to let someone know that we know he's there with his questions; to disarm him by seeming to have heard and done justice to his side of the standing argument. -Robert Frost

We rarely confide in those who are better than we are. -Albert Camus

When I want to end a relationship I just say, 'You know, I love you. I want to marry you. I want to have your children.' Sometimes they leave skid marks. -Rita Rudner

Lust is easy. Love is hard. Like is most important. -Carl Reiner

How lucky I am to have something that makes saying goodbye so hard. -From the movie Annie

However good or bad you feel about your relationship, the person you are with at this moment is the "right" person, because he or she is the mirror of who you are inside. -Deepak Chopra

Little kindness and courtesies are so important. In relationships, the little things are the big things. -Stephen R. Covey

Any relationship primarily built on physical attractiveness is predestined to be short lived. -Zig Ziglar

Don't rush into any kind of relationship. Work on yourself. Feel yourself, experience yourself and love yourself. Do this first and you will soon attract that special loving other. -Russ Von Hoelscher

People are lonely because they build walls instead of bridges. -Joseph F. Newton

The more connections you and your lover make, not just between your bodies, but between your minds, your hearts, and your souls, the more you will strengthen the fabric of your relationship, and the more real moments you will experience together. -Barbara De Angelis

If we are incapable of finding peace in ourselves, it is pointless to search elsewhere. -Francois de la Rochefoucauld

Hopefully these boyfriend quotes helped you in getting some context in your relationship.  Good luck!