While you were busy pole dancing Papyrus came by and fell in love with you too.
Now there is a rivalry.
When you were done being smexy your clothes magically reappeared and you passionately kissed Papyrus the skelly cause you felt like it.
Sans is dead now because you broke his nonexistent heart
You were happy cause he was annoying anyway and you took papy chan to his house and had the sexes with him, somehow he could create a magical glowing dick
The more you know
Hahah I was thinking on being canon but then I followed the fanon rules of Undertale sex just cause I wanted to