Paul the Apostle actually says that being single is ultimately better

[PinkFatso]

Traditional Christian response would be that you've committed sexual immorality by looking at a woman with lust: 

"But I say unto you, That whosoever looketh on a woman to lust after her hath committed adultery with her already in his heart." (Matthew 5:28)

Furthermore, no Christian would claim that someone enters heaven solely because they died without having sex.

That is dumb as hell and very 1984