Jimmy Dean Inman's "sacrificed" is about a breakup in which the speaker believes he has given up the person he loves for her own good. The opening lines say he made a choice "for himself not her," yet he also claims it was meant to give her peace and meaning, and then admits it was mistaken. That tangle of motives runs through the whole poem.
The speaker sounds hurt, defensive and a little proud. He admits to an ego, but says it comes from what she does. He tells her to "fall for him," the other man, while insisting he isn't the best, which reads as both generosity and bitterness. The line "I gave what I loved away" suggests he feels he never truly owned her love to begin with.
The mood is sad but edgy. The final stanza sends her off with flowers and regret, then warns that his love is "a promise. Not a threat," though the line leaves some doubt about how gentle that promise really is.