guys here another update about them
CHECK IT OUT
if you care , you can try to brute force the password Grin

here's the addy : 12Mnc41fYtFkSir5RCHYv82cq8FMuYHmm5
the forgotten password :
quml31
qum-31
31quml

if it's true , 100 BTC = $ 58.000 Shocked

he can try password combination that he remembered
if it can't open, then he should forget it and take a lesson from that experience

Or just never understood how bitcoin worked exactly, or lack of preparing oneself.

yeah maybe, lack of preparing is most possible situation
too bad he lost 100 BTC because he didn't make any backup from his wallet