Gotta love intuition MH. For a year or so, at the end of my showers I'l pull the filtered hose down to my exit point and FREEZE it out for a few minutes before I'd get out. It somwhat hurt but I could just feel it was doing something good for. Like I've said God's been VERY good to me. A few people recommended doing hot cold back and forth, and I never liked the way that made me feel. Just my .02