Tell them how you feel and ask if they really do see your relationship progressing past this messed up talking stage. A flirty Snapchat. You'll find someone who values you as a person and won't play these agonizing mind games, because you deserve to be happy. She always has family obligations because she has strong family values. We all try to avoid embarrassing situations, especially if they cause pain.
Most often, they just please their self-esteem, playing on the heartstrings of other people. As Xu says, it's time to stop with the excuses because truth be told, no one is ever that busy. Fool that I am, I would reply. Breadcrumbing, on the other hand, is designed for dishonesty.