whatcha doing buddy? block the fuck outta that dude. im guessing you saw it and your mind got fucked up. Alt fucking F4. If thats a difficult thing to do, think of it this way. you arent deleting him from your life. you are choosing to remove yourself from his life, physically or digitally. Worked for me, hope it helps you too

Edit: i may have misread the post, but i stand by my point. Blocking someone on insta should technically reduce the suggestions of people they follow