George Takei celebrated Father’s Day this year by expressing one of his biggest regrets: he never became a dad himself.Takei, 84, took to Twitter to share his thoughts on gay fatherhood, and why he never fulfilled his own daddy ambitions.“One of my biggest regrets was never becoming a dad,” the Star Trek legend wrote. “In my generation, coming of age in the 50s and 60s, it just wasn’t something very available to gay men, even those in couples.