Suppose I have 1 BTC.
I send my 1 BTC to an address XXX that has a balance of 50 BTC.
Next, 5 BTC are sent from XXX to YYY.
Where is my 1 BTC now? Does XXX or YYY have it?
your BTC is unknown place. May be YYY or XXX but more truer is it2s on every pc of bitcoin qt exist.