Speaking to Cosmopolitan, Liam revealed that he normally finds out about Harry's antics just like the rest of us: through the papers!
Liam says Harry likes to keep schtum when it comes to dishing the dirt and plus, the One D boys could hardly keep up anyway!
Liam says: "With Harry, everything happens so quickly. Harry is actually quite secretive. He tells us some things, but others he keeps secret."
So what does Harry have to say when it comes to the ladies? Well apart from 'Here's my number!' that is.
On being called a 'ladies' man' Harry told the mag he doesn't let himself get annoyed by the label:
"I feel so lucky to be in this position, I'm not entitled to get annoyed. I'm not half as busy as they make me out to be!"
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Yeah, yeah. Tell that to Cara Delevigne, Pixie Geldof, Natalie Imbruglia and Caroline Flack: all of which Harry has been linked to or has dated.
"A lot of the time, the way it's portrayed is that I only see women in a sexual way. But I grew up with just my mum and sister, so I respect women a lot."
Well we definitely can see that Harry has an appreciation for the ladies!
And if he ever wants to give us a bit of respect, then he knows where we are...