Aaron Hernandez’s fiancee reveals in a new book that she accepts the former New England Patriot may have been secretly gay, but that he took the truth about his sexuality to the grave when he killed himself in prison last year.

“There has been much speculation about Aaron’s sexuality since his death. I can say this: Aaron was very much a man to me. I saw no indication that he was gay or homosexual,” Shayanna Jenkins-Hernandez wrote in the foreword to “Unnecessary Roughness.”

Defense attorney Jose Baez’s insider tell-all about the onetime NFL superstar’s double-murder trial, and the last days of his riches-to-rags life afflicted by undiagnosed brain damage, hits bookstores tomorrow.

“I wish I had known how he felt, just so we could have talked about it. I wouldn’t have disowned him. I would have been supportive,” Jenkins-Hernandez said in an excerpt released by publisher Hachette Books. “I can’t fault him if he was feeling that way. When you love someone so much you just want to be there to support them. The fact that he felt he couldn’t come out to me or he couldn’t tell me these things hurts, because we had that bond. I’ve accepted that he may have been the way he was said to be, or that it may not be true. Regardless, I won’t know.”

Jenkins-Hernandez, 29, the mother of Hernandez’s 5-year-old daughter, Avielle Janelle Hernandez, could not be reached for comment yesterday.

In her prologue, she said, “I hope all those who read this book see what we went through and understand the importance of having someone in your corner. While that was my role in Aaron’s heart, Jose (Baez) maintained that role in the courtroom. … I’m glad the truth will finally be told.”

Miami-based Baez led the celebrity legal team that persuaded a Suffolk Superior Court jury to acquit the Pro Bowl tight end last year of the 2012 drive-by shootings of office cleaners Daniel de Abreu, 29, and Safiro Furtado, 28, following a flare-up in a Theatre District nightclub over a spilled drink.

Hernandez, 27, was already serving life for the 2013 slaying of semi-pro football player Odin L. Lloyd in North Attleboro. That conviction was vacated upon his suicide because it was still under appeal when he died.

In the suicide note Hernandez penned to Jenkins-Hernandez, released in redacted form by state authorities shortly after his death, he told her, “Tell my story fully but never think anything besides how much I love you.”

“Unnecessary Roughness” was co-authored by New York Post sportswriter George Willis. The Post Saturday published what appears to be the rest of the goodbye.

In block letters, Hernandez wrote Jenkins-Hernandez, “NOT MUCH TIME, I’M BEING CALLED!” And, “IT’S TIME!!! The Real Live Forever.”

Hernandez hanged himself with a bed sheet in Cell 57 at the Souza-Baranowski Correctional Center on April 19, 2017, just five days after his stunning acquittal.

Baez and Willis said the missive ended with a drawing “that resembles a thin rope dangling from a noose.”

The public’s fascination with Hernandez shows no signs of waning if books about him by his inner circle are any measure.

“The Truth About Aaron: My Journey to Understand My Brother,” written by older sibling Jonathan “D.J.” Hernandez, is scheduled for release Oct. 16 by HarperCollins. It, too, promises to address Aaron Hernandez’s sexuality.