I have a wife and she has a decent job. No kids yet but planning one soon (next year or so). We can live off her income if we live within our means which we are

I have a wife and she has a decent job. No kids yet but planning one soon (next year or so). We can live off her income if we live within our means which we are doing already. I have more than 18 months of savings based on our current cost of living.