Question: what does the bible say about losing a spouse?
Answer: Revelation 21:4. 'He will wipe every tear from their eyes. ... 
Psalm 34:18. The LORD is close to the brokenhearted and saves those who are crushed in spirit.
Psalm 147:3. He heals the brokenhearted and binds up their wounds.
John 14:1. ... 
Joshua 1:9. ... 
Romans 8:28. ... 
Matthew 5:4. ... 
1 Thessalonians 4:13-14.