Spencer Pratt's thoughts on Father's Day?
"This is the day my earth dad wishes he had worn a condom. No joke," the MTV reality star, 25, wrote on Twitter Sunday.
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Us Weekly has reported that he is estranged from his younger sister Stephanie and doesn't speak to his folks because "he felt his parents would talk to him only about Stephanie and that they charged him with taking care of her. He thinks she's a loser and doesn't want anything to do with her."
"They noticed him changing two years ago and stayed by his side. But now it's too much," the source added. "They even took the pictures of him out of their home."
PHOTOS: Heidi and Spencer's wedding
His wife since April 2009, Heidi Montag, filed for legal separation on June 8 and moved to Malibu to work on a new reality show about her single life.
VIDEO: Spencer makes Heidi's sister Holly cry
But a source close to the couple told Us they're faking their split in a desperate attempt to remain famous. "Heidi and Spencer are laughing over it and having a blast," the insider said. (Indeed, even Spencer Twittered that he was at "the beach house in Malibu" on Saturday.)