>mfw I posted about this awhile ago
>mfw I said I believed marriage and sexuality existed
>mfw I promised a curious guy I would explain my arguments
>mfw researching this topic exploded what I need write times a billion
>mfw I might as well jump off the deep end
>mfw this the same face as last time
>I have read that Marriage was conceived because of death
No, that's the common assumption among careless commentators who "analyze" this passage. They merely say, "well, we don't die, so we don't need to reproduce anymore. Therefore no marriage." And that's the end of most talk of this subject. Marriage and child-rearing was created first and foremost to complete the image of a triune God (see Genesis 1:27). Marriage also glorifies God by helping us, when we are married, to focus less and less on ourselves in every part of life, something mere friendship or brotherhood cannot do. The Lord seeks children from marriage (Malachi 2:13-16), first to fill the Earth (), second to forever expand His government (), and third to have more people to behold His glory and to receive His love (). Finally, God has added the purpose of marriage to imitate the gospel by showing Christ' love for the church and vice versa (Ephesians 5:32). While there are tertiary purposes related to sin and death, those purposes are not essential to marriage nor God's eternal intention, contra the many commentators on the Sadducean question.
>when the father dies, his children must be taken care of in the future (by marriage) and that the father's lineage is passed down through his children.
That's not marriage as God created it. That's a special form called levirate marriage. It's purpose was only for the ancient Israelites to ensure a stable lineage to ensure certain attributes of the coming Messiah. In fact, Boaz and Ruth, ancestors of Christ, practiced levirarte marriage even though Boaz was not technically Naomi's brother-in-law. because Christ has come,
>1) Will the Christians be asexual? Are the Angels considered asexual or are they male or female? Genesis 6:2 seems to support that some angels were able to reproduce.
No, God made man, male and female; if He promises to raise man, He will raise man, male and female. Christ was not asexual after rising from the grave.
Angels are sexual, though there is only one reference to female angels: Zechariah 5:5-11. You're right to say Genesis 6:2 supports, especially if we consider that the angels who went after women first lust after them. You cannot abuse something that you don't have, so if they were not sexual they could not "see that the daughters of man were beautiful" i.e. lust.
>2) Although there will be no marriage in Heaven, will there be any female/male relationships like in the Garden of Eden with Adam and Eve?
First, Jesus didn't say "no marriage". There's as word specifically for marriage as an institution in the Greek, but Christ only used the verbs for getting married and be given. Also, He (nor the Sadducees for that matter) did not use the language typical of discussing the institution as a whole ("one flesh", "man and wife", covenants, etc).
To answer this fully, I need to looooooooonnnnggggg post and will only do that if you really want to hear my thoughts.
>3)If Q2 is true, will reproduction still exist? Will the new Earth become overpopulated if it is?
I'll shoot while I wait for your response to above. Since I don't accept the main premise of 2) (marriage won't exist), obviously baby-making will still happen. How the new Earth will avoid overpopulated, though I do know for sure that it will not become overpopulated. There might be space travel, who knows until we get to that point. All I know is Jesus is there in the flesh, and life in the resurrection includes all the good parts of this life (including marriage), plus much, much more forever, so we should all want to be there.