My ex husband has been diagnosed with stage 4 throat cancer. It's really awful but he's being so brave

Only last week everything was really good for him just moved was going to retire in September  .Then had a scan its in throat and spread got 6 to 9 months to live or with chemo may be more time .We are all shocked I have 3 girls to him its heart breaking  .He's not really talking much its really awful  he's being brave .