Sometimes, we can get a bit complacent when it comes to our health.
But activist and writer Jack Monroe has shared an important that will make women everywhere think seriously about checking their breasts regularly. To help those less susspetable to a lecture via Twitter, Jack used the power of gifs to get her point across.
Come with us now, on a journy through time and gif...
Monroe writes how, a couple of months ago, she found a lump in her breast.
She ignored it...
And then things got a bit scary.
The nurse told her more people needed to "waste" their time - because this is important.
So there - that's us told.