Is your dating life filled with missed opportunities? Did you ever meet someone you really like and walked away without sealing the deal?. You haven't got her to agree to a date, but you're having a good IM session via phone. Things You need to learn how to close, seal the deal and rescue her from a life of being single. Want to Be Good at Online Dating?. Hi, I'm on an online dating site and I'm not getting the matches that I So what are some tips that I can follow in order to "seal the deal"- on the.