Waste. Duty of life tenant not to commit acts permanently injuring remainder or reversion interest, §44-6-83. Duty of life tenant to preserve and protect estate, §44-6-83. Widowhood. Estates during widowhood deemed life estates, §44-6-80. LIFE ESTATES —Cont’d Wills. Creation of life estates, §44-6-82. LIFE INSURANCE. Abandonment of fund under presumed, §44-12-198. Exemptions from levy and sale. Statutory exemptions. Unmatured life insurance contracts, §44-13-100. Presumptions.