This has always been my problem with Duolingo. You get a streak going, forget it two days running because you're busy with work or the dog has to go to the vet or the kid needs taking to the airport - and bam, 80 days irretrievably gone.
When this happens, I set the whole thing aside for a year, every time, even though I shouldn't.
When this happens, I set the whole thing aside for a year, every time, even though I shouldn't.