Passover symbolizes Jesus Christ.
John 4:20 Our ancestors worshiped on this mountain, but you Jews claim that the place where we must worship is in Jerusalem.
2 Chronicles 33:3 He rebuilt the high places his father Hezekiah had demolished; he also erected altars to the Baals and made Asherah poles. He bowed down to all the starry hosts and worshiped them.
The meaning of the Temple before is an arc of covenant. But these days, our body is (we are) the temple.
1 Corinthians 6:19 Do you not know that your bodies are temples of the Holy Spirit, who is in you, whom you have received from God? You are not your own.
If you are son of God, you must not be into the world and you must also be holy. It's a really big opportunity for us Christians of what God grace has.
If I am already saved, I should not do such things anymore. It also means you NOT being selfish. The only king for us is Jesus Christ.
You should not question God of "what His plan and purpose for you?". If you have problem, you should first go to God and pray. God is the only hope for us in our life.