1, heart-shaped necklace is the best choice for men to express their sincerity. Send girls heart-shaped pendants on special days to symbolize the only true love in life.
Sending a necklace to someone you like is a silent confession, expressing "I want to fall in love with my lover". Therefore, sending a necklace to the right person is basically a customary way of showing love. The heart-shaped necklace expresses the intimacy between hearts.