Types of friendship

* Acquaintance
* Romantic friendship
* Soulmate
* Pen pal
* Internet friendship
* Comrade
* Platonic life-partner
* Friends with benefits
* Sexualized friendship
* Boston marriage
* Blood brotherhood
* Companionate love
* Intimate relationship
* Love
* Platonic love
* Romantic love
* Open relationship
* Roommate
* Spiritual

Source: wikipedia