TOXIC
There are certain limits of kindness. No matter what kind of help you’ll give, some people will take it maturely.
Nowadays it’s been like that, once you’re always available, people will run to you like there’s no any option. We can consider it good if we can see progress on his/her side, but if it feels like it became abusive, you need to set your limits.
There’s no problem if you give yourself a priority because I believe before you can able to give yourself to anyone if you complete yourself first. Before you become selfless, be selfish first in a good way.
Learn to love yourself because most of the time, that’s the least thing we do.