Seeing good that was never there in somebody else, then wondering why you got betrayed by the people you held closest to your heart isn't being a sucker or being weak, it's being human.
He/she felt like a sucker, but was actually human.
the losing player at a poker table.
"if you can't spot the sucker at the table, it's you"
Someone who you’ve known for many years, with whom you put your complete trust in. He knows your whole story and still sticks around.
7:36am: Good morning sucker
Heck: You suck!
Hell: You are sucker than me, you sucker!