So one of my teachers recommended this book in class, 'How We Love' by Kay and Milan Yerkovich and it is one of the most enlightening books I have read for myself in recent years. It talks about how we love, how our childhoods shape how we love, and how we can love better through reckoning with it. Highly, highly recommend. You can also take their quiz to find out your love style: https://howwelove.com/love-style-quiz  
Do it, you won't regret it!!