Self-love and self-care are unbelievably important. And yes, there is a difference. But first, let me just clarify some things: It is not selfish of you to look after yourself and it is not egotistical to love who you are and what you look like.
It's impossible for us to get someone to be there alone, especially if you feel nobody is there already. So that's why we too have 'tantrums', and we all deserve to have them answered.