You have questions in your minds when you read title that how can software and people behave same???
I will tell you.When you download an application or any software it takes time to download and then you can use it and you can save your memories and other things related to the software.
Similarly when you meet with the people and they care and love you in the start give so much time to you and you have great memories with them.They become your addiction.
But when we tired with that software we uninstall that software all our memories vanished in seconds, and we forget everything about app after deleting.
Some people do same like that they have great relationship with you but when they get tired they don't think of the previous chats,care and love. They even don't take a single second to leave you.And make you again alone.