Taking "time out" to rejuvenate and recover is okay - once you are strong and healthy, then you can give to others again.
Here are the signs which show you that you need to develop some boundaries...
- Saying yes, instead of no
- Not asking for privacy when its needed
- The inability to stop negative thoughts
- Not being able to carry out your goals and commitments
- Obsessing about other people’s problems
1. Take some time to explore what this is all about - keep a resentment/guilt/anger journal. You will soon see repeat patterns and discover what your boundary really is.
2. Decide what your boundary is. You can always change it at a later date.
3. Make a mantra: "I choose discomfort over resentment". Yes it is uncomfortable to say "no" or ask for what you want - but its better than feeling churned up inside or resentment for days on end!
4. Rehearse: "My plate is full" or "Im sorry I cannot take that on" or "Ill have to let something go in order to do that - what shall it be".
5. Then express it to the person concerned in an assertive, calm but firm way. Be courteous – it is a request! However if that person persists in pushing your boundary state it again and this time communicate the consequence if they continue to do it. The consequence must be something you are prepared to carry out.
Some of this blog is copied from http://psychcentral.com/lib/what-are-personal-boundaries-how-do-i-get-some/