D. Ramsay is one of the sanest voices out there. Unless a partner brings something to the table that you cannot do without, you are giving your business away for no good reason. But, it might be impossible to pay someone in the first few years and no one would do it except as an investment. You also have to look at the possible upside for the business - can it support two owners? In this case, it doesn't sound like the potential partner brings much to the table or there is enough of a profit out there at the end of the day. But, he missed the best advice - if she does it - get a written agreement that keeps her in control if things go bad. As to his marriage advice, she's an adult too and may have good reasons. Give advice, not ultimatums.