Grief support for men who've lost their dads. This week: Dave Siff on the sudden, no-warning death of his father — and the mystery that came with it.Dave texted his 85-year-old dad and got one garbled reply back. Days later he was in the same ICU where his mom died, deciding when to pull the tube. Then the breathing tube came out — and his dad's eye shot open and locked onto him. "This is it. I can't look away right now."What he didn't know yet: something no one could explain had k...