Always trying to control you - If your partner always tries to control you, then you should understand that this is going to happen in the future as well.
You are not valued - If your partner does not value you, then you will never feel good with him.
Not respecting your views - There is nothing to be ashamed of if your views are different from your partner's.
Always making you feel down - If your partner is always trying to find faults in you due to your personality, looks and other reasons.
If your partner has a habit of flirting or he keeps on cheating, then it does not make any sense.
To tease or make fun of your achievements - If your partner does not care about your achievements.