Hearts side by side.
A magical symbol for friendship is as ancient as human culture. Represents the togetherness of 2 souls. In magic, the symbol was important for bestowing good fortune on a relationship or on partners who were separated for extended periods of time due to travel, war, or trade. The friendship sign could also be involved to help influence the course of romance.
Text and image source: Symbols and meanings https://www.facebook.com/SymbolsandMeanings/