Tear through my palm, your heart

Whimsical and capricious without reason, moody for no apparent reason, and self-proclaimed carefree solitude. I thought that such an attitude meant I didn't know how to cherish things, until the cactus that pricked my fingertips came into my life. I got the cactus at a market opened by a friend. Its strength and independence left me deeply impressed, so in my memory...