Personal Experiences,Study, Learning Blog of Abu Rashid aka Harun

memento will not last forever. So if something may not be useful to others, throw it away. If you have space, then only keep a little bit, but make sure that such memento only keep highest 10 percent of your space. Besides, now a days digital thins are there. So if you need to keep, keep it in digital format.

Nice way mentioned here about mementos management:
 in a nutshell, Audrey said that she keeps an empty box in her desk and as mementos come into her life, she tosses them in this box. When it fills up, she revisits them and only keeps the most special items.
http://bneatobar.com/mementos-6-ways-to-deal-with-them-right-now/