Well, if we (the present humans) are indeed extraordinarily fortunate to live in a brief and exceptional non-Malthusian period -- what Hanson calls "the Dreamtime" -- then you should be happy to be so lucky that you get to enjoy it. Yes, you could have been even luckier to be born as some overlord who gets to be wealthy and comfortable even in a Malthusian world, but even as a commoner in a non-Malthusian era, you were dealt an exceptionally good hand.
No, I'm UN-lucky. I'd prefer a different, counterfactual universe where EVERYONE is happy at all times, and given any set universe I see no reason how which entity in it is me should matter.
From Mike Darwn's Chronopause, an essay titled "Would You Like Another Plate of This?", discussing people's attitudes to life:
Conclusion, graphs, and references in article. As usual, I recommend reading Chronopause.com as Darwin has many good articles; to quickly link a few: