A better way to say it is síorathrú. It means 'forever changing'.
'Dlúthchairde do deo' in Irish means 'Close friends forever' in English.
'For ever, always' in the Irish language.
In Irish it's: Éireannach go deo / Gaelach go deo
"a cairde" means "her friends"
In Irish it's "i mo chroí go deo"
Irish: muintir go brách Scots: muinntir gu bràth
deirfiúracha go deo
Do chara go deo.
As adjective, Éireannach go deo. If a noun, Na Éireannaigh go deo (the Irish people forever).
Is Éireannach thú go deo
In Irish it means 'My love forever (you)", literally but the accent marks are missing:'Mo ghrá go deo thú'
"Óg agus saor go deo" means "Young and free forever"