Find contentment in what you have and not in what you want.
What you want is not true, a falsehood, quite often when we actively seek out our fantasies they fail to live up to our expectations, ergo it is the thought of something that appeals to us not the thing itself.
Real fulfilment is serendipitous and you are only partly have agency in that.
If you go though life stressing about what you have not the possibility for misery is as endless as your imagination.
Look for the beauty in what you have, a morning sunrise while out jogging, a house, a quiet morning on your own terms, look for moments of peace in what you experience look for the tao and love it.
You have been to festivals in your 20s, there's nothing else for you to learn there, it's made you wiser and to continue to act like you are 20 will just be an empty form of masterbation.
Oh and get a dog, possibly a malamute and walk it twice a day, it's all you need really, the rest is details.