Does a Muslim's departure from the fold of Islam become determined by his saying: "Isn't it enough, O Allah?" due to the deterioration of his circumstances despite his commitment to acts of worship, and what rulings regarding his marriage and family result from this statement?

You have erred by uttering offensive words and neglecting prayer. You must offer sincere repentance to Allah and make up for the prayers you missed. Know that all of Allah's decrees are good, and goodness lies in adhering to Allah's religion. Be diligent in remembrance (dhikr) and supplication (du'a), increase your seeking of forgiveness (istighfar), and consistently perform good deeds that expiate sins.