It will undermine marriage
Evidence shows that redefining marriage actually undermines support for marriage in wider society. Neither has it delivered the promised stability for same-sex couples. In Spain, after gay marriage was introduced, marriage rates across the whole population plummeted.1 In The Netherlands too there has been a significant fall in the marriage rate since marriage was redefined.2 Same-sex marriage does not promote marriage.
Marriage is part of our history
Marriage between a man and a woman is not a recent social invention. Everyone knows that marriage predates law, nation and church. It goes back to the dawn of time. Yes, matrimonial law may have been tweaked over the years, but the law has never fundamentally alte