So basically you're staying because you don't want to be alone? It would seem to me that after 7 months with someone, you would know if you wanted to be in a serious, committed relationship with them. This is what SHE wants and if it is not what you want, then I don't think it is fair to lead her on. After being married 25 years and having your wife leave you, it is quite understandable that you would relish the attention that you are now getting, but for everyone's mental health, maybe you should work on making you happy, from the inside out.