Puttering around in the pasture without tack is all very well and good, but taking a horse off your property without a saddle and at least a rope halter and reins is incredibly risky. If nothing else, it gives you something to hang onto in the event that the unexpected occurs.
And though you may not intend to ever part with your horses, you can't know what turns life may take. With good care, June could live 30 years or more - who knows what you will be doing 30 years from now? Though you may have the intent of eventually going tackless, learning to work in tack makes the horse more useful and therefore more likely to be appreciated and valued if you have to part with it. Most people think it increases the value of a horse to say, "goes both English and Western; can you imagine trying to sell a horse with this in the ad - "can only be ridden tackless?" Look at it as a necessary part of the horse's education that it accept a bit; it shouldn't be the first lesson, but it should happen at some point.
I know I've posted this video before, but since the subject of tackless riding came up, I couldn't resist posting it again. I have seen earlier versions of this ride with tack on this horse; they got to this point in stages: