So evolutionary biologists have to wonder: Why would anyone willingly take on this line of work? The interview for the job, that single act of sex, is certainly fun. But then you get hired to raise a child. There are wonderful moments, but the essence of the contract is simply: They take. You give. You never get a paycheck with this job, only an invoice, and you’d better be prepared for some sticker shock. You’ll be out more than $220,000—before the college loans. This career comes with no sick days or vacation time, and it puts you permanently on call nights and weekends. Its successful
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