Morality versus afterlife

[orangebox21]

I will answer as someone who recently believed.  

The answer is no.

My primary reason for following God was self preservation, i.e. fear of Hell.

I'm not going to say that I didn't consider God's rules to be truly moral.  I did.  I just failed time and time again to live up to that standard.  Had I learned that there would ultimately be no consequences for my "dirty thoughts", I would never have put so much pressure on myself to be what I couldn't be.  Instead, I would have probably rationalized God's standard as his way of just showing us how hopelessly corrupt we are and how tolerant and longsuffering He is for letting us be that way.

You were not far from the kingdom of heaven.  You were recognizing exactly what the law is intended to show, your sin (Galatians 3)  You were also right to conclude that God's standard is his way of showing us how hopelessly corrupt we are and how tolerant and  longsuffering He is for letting us be that way.  For whatever reason your process ended there and you never came to understand that the way to achieve the righteousness you sought is through the cross (2 Cor. 5:21)  

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Are you asking me how I would act if there were no consequences in the afterlife for breaking God's law?  Or are you asking me if there was no God and no afterlife would I continue to follow a morality from a god I knew didn't exist?

I'll answer that.  If there is a God and he will exact neither reward nor punishment in this life or after this life, would it matter to you if you broke God's law?

 
Yes it would still matter to me.

Would your answer change if you found God's law personally morally repugnant?

No, it would still matter to me if I broke God's law.

Heck, while we're at it, supposing you found God's law morally repugnant and there was a punishment for failing to follow it, and eternal life if you did follow it, would you follow it?

Yes.  Be careful when you draw logical inferences from my response.

Make it really morally regugnant, like that you must kill your only son in a particularly horrible way.

Have you not read that Abraham considered that God is able to raise someone from the dead?

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Jenny's additional question is interesting!

The question in the OP is to suppose that God does exist, that you have what you consider to be his judgements for what is moral and what is not, yet you've found out there will be no afterlife. Man made a mistake and invented that concept, say.

So he is still offering to guide you through this life, but your actions in this life will only have repercussions within this life. After that, you don't exist anymore.

Do you still follow his guidance, or not?

Yes.