How do you know if you're ready to pop the question? Traditionally, guys make the move, often buying the engagement ring beforehand and getting down on one knee (often after a romantic dinner) to make the marriage proposal. The key is getting the timing right: knowing when she's ready; knowing when you're ready; and hopefully, knowing what her answer will be -- this can be very tricky! Fear not, the infographic below works out many of the possible situations and scenarios confronted by today's would-be brides and grooms. Follow the dotted lines, answer the questions honestly, and you may receive some sage advice in the end.

[click the image below to enlarge]