"I didn't know what true love was," says Paris Hilton ... school in Utah precipitated her unhealthy relationships later in life. For more from Paris Hilton, pick up this week's issue of PEOPLE ...

Paris Hilton had a response to trolls questioning her relationship with her daughter ... into my purse collection already,” ...

"You are so incredibly special to me and I will spend the rest of my life making sure you know that every day," Paris Hilton said Paris ... "Happy Birthday my love! So excited to celebrate ...

Paris Hilton is standing up for herself after facing criticism over her relationship with her daughter ... been 'hurtful' but reaffirmed her deep love and commitment to her children.