Health, not sentiment
The Gottmans treat emotional attunement as a trainable skill with measurable outcomes; loneliness and chronic conflict shorten a man's life as reliably as bad diet.
Turn toward the bid
Most relational damage is not dramatic. It is a thousand small bids for attention that went unanswered. Turning toward them is the practice.
Presence over performance
Deida's masculine presence and Gottman's research meet here: reliability and undivided attention outperform grand gestures.