Shapes and lines make multiple lines and paths instead of sizing it up

[#1]

As you can see in the video it makes several lines and paths instead of just making one big ellipse. If anyone has a solution for how I can turn it off so I can make one big shape instead I would love to know how.

[#2]

Take a look here:

https://community.adobe.com/t5/illustrator/illustrator-cc2020-line-segment-tool-draws-multiple-lines...