You've been happily married to Twilight for years now.
Oh, also, there are 5++ miniature abominations running around the castle, calling you dad.
Good luck.

Story: https://www.fimfiction.net/story/371206/congrats-youre-a-dad

Art: https://derpibooru.org/575085?q=twilight+sparkle%2C+anon%2C+satyr&sd=desc&sf=score