Personally, I am not a ‘relic lover’. I respect them and venerate them when they are displayed, but I do not feel the need to seek them out on my own. I do recognize, however, that they are a legitimate form of expressing one’s faith.
Relic veneration and possession are directly taken from scripture: 2 Kings 20-22 (1st class), Mark 5: 27-29 (2nd class), and Acts 19:11-12 (3rd class). It too was practiced in the early Church as testified in the Martyrdom of Polycarp and the graphiti inscribed upon the walls of the first shrine and reliquary of Saints Peter and Paul (circa 250 AD) near the Catacombs of San Sebastiano outside of Rome.
Relics, however, are not meant for collection, but rather veneration. I always advise people who possess relics that if they end up just sitting in a drawer somewhere to pass them on, either to another person or to the local Church for public veneration. The Church no longer allows first-class relics to be issued to an individual but only to institutions like churches, dioceses or Religious orders for this reason: to stop first-class relics from being treated as something akin to baseball cards. It was this treatment of relics as collectibles which helped spur on people like Martin Luther in their objections to them.
God Bless,
Br. Ben, CRM