1- will you remember me in 1 second
2- yes
1- will you remember me in 1 minute
2- yes
1- will you remember me in 1 hour
2- yes
1- will you remember me in 1 day
2- yes
1- will you remember me in 1 week
2- yes
1- will you remember me in 1 month
2- yes
1- will you remember me in 1 year
2- yes
A few minutes later
1- knock knock
2- who's there
1- oh dear. it looks like you've forgotten me already