My ex-girlfriend has ruined my birthday by revealing she’s pregnant – but finding out who the REAL dad was is even worse

DEAR DEIDRE: MY ex-girlfriend has ruined my birthday by sharing that she is expecting. When she first told me, I panicked, thinking I was going to be a father. But it’s much worse than that. I’m going to have a half-brother because she and my dad have been secretly seeing each other. We broke up…