Still breastfeeding? What to say to haters?

CJM • Mom of 4 (soon to be 5). 💙💙💜💙💙2015, 2015, 2017, 2020, & prego!
What are your responses when someone ask 'you're still breastfeeding?' with a weird look on their face. 
He's only 5 months old and we don't plan on stopping anytime soon but the haters are getting to me and I need a good comeback. 
Photo of my little man for cuteness!