Relationship : It means a friendly or a bonding of any two person or more depending upon relation. Like relation of husband & wife, Parents & child, Great Guardians & child, brother & sister etc. In any relationship Love, Trust, Respect & Responsibility are seen.

According to my knowledge all the 4 things relate the relationship topics. This things obtains in relation like husband-wife, Parents-child. But mostly this 4 things is necessary for husband-wife (spouse) relation. 

Love & Trust is most important in any relationship. Because it truly more depends on this two. Trust/(loyal)  plays important role in life of spouse. Without trust didn't form any relationship. 

And when did trust form ? : When love happens between two person. It forms cycle or chain. When love happens then obviously one hand person believe or trust on other hand person. Trust happens then makes the limits for relation such as respect. 

In any relationship mostly girls more needs respect from boys. Also respect is important.When respect is not there in relation than it takes little time to break. That's why breakup & divorce will happen.

When relationship forms Responsiblity obtains. Responsibilty for take caring of your partner's. Little bit summary :  Love, Trust, Respect & Responsibilty.

Different types of relationship : An interpersonal relationship refers to the association, connection, interaction and bond between two or more people. There are many different types of relationships. 

This section focuses on four types of relationships: Family relationships, Friendships, Acquaintanceships and Romantic relationships.

1. Family relationships : Ideally people should have strong relationships with their families, although this doesnot always happens.They should feel love & closeness for their relatives, and be able to confide in them & discuss personal things. A key role of parents & older relatives is to offers the guidance, support and where needed boundaries & discipline. As familes are so close & spend so much time together then arguments & disagreement arises but in most families they are short lived and in moment of anger or hurt, families still love & care about each other. Family relationships Ideally live long life although as children become teenager, adult it is usual for them to have a more independence & for parental relationship to become less one of guidance & more one of mutual support.
2. Friends : Friends are not people who we are not related to but choose interact with. Friends are people we respect, trust, care about & feel that we can confide in & wantbto spend time with. A good friendship is built upon honesty, support & loyalty. Friends who are very close & know eachother well are sometimes referred to as best friends.
3. Acquiantances : Acquiantances are people you may encounter regularly, but who are not friends or relatives. It is important to be polite & respectful to Acquiantances as having harmonious relationship with people around you.
4. Romantic relationship : It is one in which you feel very strongly attracted to other person, both to their personality & often Good relation also physically.