Usual rules apply. It’s a bulkhead, so nobody reclines back into you, but if you are 6’ 4” you’ll have trouble putting your feet somewhere. If you are not genetically modified, it will be just fine. You might have to lean forward a bit to look out of the window, but the entire point of being in first is to carefully examine the bottom of a Woodford’s glass, not wonder why there’s a cloud deck covering the country. Assume your last “Widow” seat is a typo, but if not, you’ll probably need to fly Allegient for a true Widow seat.