Je was op zoek naar: eternally yours (Engels - Latijn)

eternally
in sempiternum

eternally damned
eternal love

(pl) your, yours
vester vestra vestrum

serve god eternally
serveing deum aeternum

i am eternally a boy
ego sum puella aeterna

therefore i love you eternally
ideo te amo

i will always love you eternally
ego semper amabo te aeternae

profound peace be eternally to thee
latin

sempiterne eternally, perpetually, everlastingly, permanently;
sempiterne

aeternum eternally, for ever, always; perpetually; also; constantly;
aeternum

coaeternus, coaeterna, coaeternum co-eternal; equally eternal; existing with another eternally;
coaeterna

your end
arcum tuum finem