"Each time it goes wrong, it's hard. I get really hurt but I have to let myself go: 'What did I do? What can I learn?' And as hard and as hurtful as things get, I want to believe I will be able to go one step higher. I've got to hope that if I keep going I will eventually get it right."
Jen and the 27-year-old called it quits after rumors surfaced that the dancer was having sexual relations with a transgender woman while dating Lopez.
The "Booty" singer also split from ex-hubby Marc Anthony in July 2011, and the exes have two children together.
"I'm from a traditional background. It takes two people to make a kid for a reason. It's tough because I know they feel the void of that male presence," she says of her life as a single parent.
"When Marc and I first broke up, I did think: 'I wish I could have held this together.' But when you realize it's not the right thing for anybody, you think: 'OK, well how do we make this work, how do we make this better, how do we make this great for the children anyway?,'" she confesses.