Tender Start for Spring Negativity has long been considered “toxic,” and now the “toxic positivity” that denies the complexity of human emotions gets its due. It’s totally acceptable if the sun crossing into the new season feels poignant or bittersweet. “I heard a thousand blended notes/While in a grove I sate reclined/In that sweet mood when pleasant thoughts/Bring sad thoughts to the mind.” — William Wordsworth PISCES (Feb. 19-March 20). You’ll field opinions and you’ll be happy for the information you get, too. Even so, there is no answer from the outside that can give you purpose. Your pu…