How long and since when has this been happening?

<a href="http://app.babychakra.com/article/2804">Toddler Tantrum #4: I Don't Want Food!</a>

Hi 
If it's happening recently it could be due to teething or growth spurt. They cluster feed and become fussy eating. Please refer to the articles below. 
<a href="http://app.babychakra.com/article/3097">How to make a fussy toddler eat</a> 
<a href="http://app.babychakra.com/article/1496">Teething 101: What to expect when your baby sprouts those pearly whites</a>

My son doesnt eat properly he is more on to my breast milk what shld i do to make hik eat the food and to be less on my breast milk??