When we are with someone who constantly emphasizes our shortcomings and our nag how it is necessary to change inevitably begin to move away from that person and closing its shell. This is quite natural.
Feel is adverse and rejected. Yes, not bad to say what needs to change in yourself to feel better. This could be taken as advice but nagging is something completely different. It is simply an insult without waiting for any result and certainly not to the benefit of the other.
When he reproached us that we are as fluffy and continues to do so, although it is clear that we are trying to change this, it is clear that does it for our good. Why did it do that? Consider whether the person holds you. Could pour insults on you because of a complex that has accumulated in yourself or not felt. Second mozhv only happen if there are no feelings for you. If you love someone would always be thought what he thought, and especially how you feel in any action of yours, every word.
We clearly that everyone has habits - some positive, others not so. They must either overcome or accepted as they are. In both cases it is completely unnecessary to throw vain jokes that offend others. This is the least would respect and even less to the adoption of words as advice.
Flee from those people who are trying to impose upon you with positives at the expense of your negatives. Remember that all have such even if they are. Love yourself and do not let yourself be humiliated. Learn to distinguish between mockery, nagging and advice.