Possible Clues:

• Fellow whose wife is sadly late
• Bereaved man gets fatter without old wife
• Lot in Genesis, e.g
• Dating scene returnee, maybe
• Ove in “A Man Called Ove,” e.g
• Surviving male spouse
• Mr. Rochester in 'Jane Eyre,' e.g
• Whose wife is unfortunately late?
• Ladies' group -- function we run for a man on his own, perhaps
• Weirdo running after women - presumably his wife has died