One of the things that make being a dad absolutely worth it is spending a fun weekend with your kids taking them places they want to go, doing things that they want to do, and having an great time just being with them and watching them have so much fun. The icing on the cake is when you tuck the oldest (and most talkative) kid into bed Sunday night, ask him what he enjoyed doing this weekend and he rattles off everything the two of you did together. Then he looks at you and tells you not to go to work the next day so he can do the same fun things all over again.
Moments like this make me so happy I choose to become a dad and are some of the happiest of my life.