My boyfriend I planned to marry dumped me by text for a mistress I didn’t know existed

DEAR DEIDRE: MY boyfriend has dumped me by text and moved in with a mistress I didn’t even know existed.

Instead of consoling me, his mother had the cheek to suggest he left because I wasn’t giving him enough sex.

I’m absolutely furious. He’s been really secretive the past few months and I thought he was planning our wedding — I’ve dropped enough hints.

Instead, he was sleeping with this other woman.

He works in IT and apparently this woman joined his team and is “incredible looking”...