i go on a retreat every year. in terms of my life, headspace, wellbeing, imagination, relationship with god it's one of the best things i do. i tend now to go somewhere quiet, alone, silent. the last couple of years that has been in the wood. but group retreats are also great. i have done a few of those. last year johnny sertin and paul rose ran a mountain one for pioneers that sounded wonderful. they are running one this year. places are limited so book early if you are interested. book here