Best friends to lovers. Because this will help to maintaining a life time relationship. You know everything about your partner. You know his/her taste, interest, choise all because of your deep friendship. You know how to make him/her feel special because you know each other very well because you are best friends. You know his/her weekness and try to strengthen them or support them to overcome from there fear. If you fall in fall in love with first sight, first try to make a strong bond then take a step to long lasting relationship. Because if you are best friends then it will we a perk for you to make your relationship a life long relationship.