The only period you can say you were successful in chasing your losses is only when you win and withdraw them you used the money to do something important, that's why you can say your loses was recovered successfully. Outside that, you just lost more, a gambler who's a type that chase their loses always ended up losing everything. It's a lucky something that you must be careful when dealing with it, there are gamblers that their luck is very rare, so if you noticed that you such type you must be careful with the way you gamble. The gamble lost everything because he was greedy, if not that he was greedy, he would have be satisfied after winning plus the amount he lost previously.
That's why there's no such thing as a period or time when we can say we are successful in chasing our losses. It's always be the same situation for any gambler that everytime they have decided to chase their losses, instead of making it happen, the only ending they have is to lose more.
The thing is, whenever they have achieve their goal of making a profit using their new deposit to make up their losses, they get greedier and thinking to continue playing without realizing the consequences of their action. They continue to have the desire of making more money.