Was John Lennon bi-ual?

Yoko won't like this and I couldn't care less, but other than the infamous "holiday" with Brian Epstien isn't there many other instances of John being Uber-GaY? Oh and just because guys have with women and have babies and marry women has nothing to do with someone being gay or straight. Ask Elton John. And We don't need to hear any of those "Oh I wouldn't care if John was str8 or gay but he was DEFINITELY straight" routines. Just the facts. Come on. I have a vast personal virtual library of facts and factoids on Dr. Winston O. Boogie, so do your best . I've done a lot of fact cross checking. ... No wishing and a hoping ' ...