I’m always absorbed in the arrangement of my wife’s food.
This word consists of kanji with hiragana attached. Because the hiragana ends with an う sound, you know this word is a verb. The kanji itself means congeal or freeze, so the verb version is to grow stiff. But it's also used to mean what happens when your emotions or interests freeze on one thing. You start to be absorbed in whatever that thing is. Try to remember both meanings.
Since this word consists of a kanji with hiragana attached, you can bet that it will use the kun'yomi reading. You didn't learn that reading with this kanji, so here's a mnemonic to help you:
What have all your friends started to be absorbed in? Their 子s (こ). They all keep having kids and now that's all they seem to care about. Damn kids.