To get the best returns, use a minimal number of criteria in both your searching and matching. 

If your search or companion match has many boxes ticked, you may find it difficult to find someone that has selected those exact same boxes. 

If you just select the minimum, perhaps ones of the most importance to you, that will then enable you to go look through the matches for further insight.

• Your companion match settings stay as you set them, but of course you can change them easily, at any time. Your searches are a one off process - unless you click on save, in which case that particular search with be saved with the date. You can edit the name of that saved search, for easy reference.
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• For example: Let's say have your companion match settings for a cruise you would like to take in 2021, through the Mediterranean. In the meantime you might want to search for a companion for an Asian cruise next year, and someone else to share a stateroom with on a three night party cruise this year. You can save the searches for the Asian and Party cruises, and come back to them at any time, whilst still having your Mediterranean cruise desires in your match settings.