possibilities :
1. taihei's old enemy/enemies is picking a fight. but taihei won't fight back, so he's rekt now.
2. taihei fought, ippo get mad, ippo walks away from taihei. but later ippo find out that taihei fought because someone is dissing his brother, so ippo took him back.
3. taihei fought, ippo get mad, ippo walks away from taihei. but later ippo find out that taihei fought because someone is dissing his brother, but ippo won't take him back.
seeing as Hajime no Ippo has so much drama lately, my bet is on no. 2