They met in 1969. I don’t think rushing for time was the problem here.

He does this a lot in the comics, starting in the Silver Age. Superboy regularly visited the 30th century.

This is terrible writing, but you can still become a writer with practice. It appears as if you haven’t read any books, though. Do you have a favourite writer? Or genre? Or period? Just reading internet comments isn’t really enough. I’m also astonished at the many basic errors in these few short paragraphs. Back to school with you and study! Good luck.