1/2 NL live 1st time

[strde635]

So i sat down and woke up in the big blind after 10 hands with 4s9d. Max buy in is 100$. Old lady villian was busted out 10 hands before all in with top pair\
Flop: 9h4dAs (5 limpers)
Villian leads 10$
Hero raises to 25$
Villian shoves All in
Hero?
(calls) Villian shows AJ
Turn: 3h
River: Ac

Why does this happen when i move up and take my shot? lol, of course.