It’s easy to make friends as children in school or around the neighborhood. But as adults – with professional, familial and other responsibilities – it can be tough to maintain even our deepest, most valued friendships.Our personalities also often become more entrenched as we age and mature. We’re more self-aware and alert to the types of people we surround ourselves with – and the types we’d rather avoid.When it comes to lasting attachments, the same is true in friendships as in relationships: certain astrological signs make better and worse matches, based on their energies and personality traits.