Putting aside the question of whether your own experiences hold for the general population, you must consider why these opinions are so prevalent, either way. One might argue that religion doesn't teach 'values' so much as 'roles', and so people feel they must do these things, not for any significance or with little thought to possible negative repercussions, but simply because... well, that's just what you do, right? Find a partner, have kids, go to church. That's the lifestyle religion teaches. One might also argue that secular people aren't as intent on having kids because they're more willing to accept different lifestyles.

For what it's worth, krapp's comment is better written but is what I'm talking about here.

I probably agree with most of what you wrote, but at the end of the day, the difference between 'values' and 'roles' seems insignificant to quibble about in the face of the result we're talking about here.