Ex winks and compliments me

It's been 3 months since the breakup. We did not end the relationship well: He told me to block him and I told him I didn't even want to see him if we ran into each other in public. When I said these things, I half meant it. I was hurt. Now when I see him in public settings, he compliments me multiple times. He also winked at me the other day. Why tho?