bjjkid-
Yes you will see that. You can see how he reacts in different situations (ex if he is the type that will get all bent out of shape from losing…)
Its also a good idea to make sure that you can have a good time together…since you will be spending your life with him (unless of course you dont want to have fun for the rest of your life)
And about double dating… There are many more resons not to do it than there are to do it