I'm sure everyone must have come across a person in their lives, who doesn't seem to have his own opinion, and says yes to everything the person that he's in awe of says. Please suggest any good phrasal verb here.

E.g. There's that girl X who's pretty famous in let's say, the college, and she has two girls with her all the time who are so impressed with her and are trying to be on the same level as her, because X is super famous, pretty and rich. The other two girls think, they'd become cool too if they start roaming around with her. And when conversing, those two girls never object X in anything whatsoever. Please help me out. English is not my mother-tongue, and I'm still trying to master it

I'm sure everyone must have come across a person in their lives, who doesn't seem to have his own opinion, and responds ‘yes’ to everything a person that he's in awe of says. 

Please suggest any good idioms, phrases or words here.

For example

There's a girl, let's call her Carol, who's very popular in college, and she has two girlfriends with her all the time who are so impressed by her and are trying to be on her same level, because she is super cool, really pretty and very rich. The two girls think, they'd become cool too if they start hanging out with her. And when conversing, these two girls never object to a word Carol says, in anything, whatsoever.

Please help me out. English is not my mother-tongue, and I'm still trying to master it

I'm sure everyone must have come across a person in their lives, who doesn't seem to have his own opinion, and says yes to everything the person that he's in awe of says. Please suggest any good phrasal verb here.

As in the person is always adding yes to everything he's in awe with the person says? Sometimes, it is a very dangerous thing as that person is trying to get closer to the other one. I'm sure you must've gotten what I want to ask here. Please help me out. English is not my mother-tongue, and I'm still trying to master it

I'm sure everyone must have come across a person in their lives, who doesn't seem to have his own opinion, and says yes to everything the person that he's in awe of says. Please suggest any good phrasal verb here.

E.g. There's that girl X who's pretty famous in let's say, the college, and she has two girls with her all the time who are so impressed with her and are trying to be on the same level as her, because X is super famous, pretty and rich. The other two girls think, they'd become cool too if they start roaming around with her. And when conversing, those two girls never object X in anything whatsoever. Please help me out. English is not my mother-tongue, and I'm still trying to master it

I'm sure everyone must have come across a person in their lives, who doesn't seem to have his own opinion, and says yes to everything he's in awe says. Please suggest any good phrasal verb here. As in the person is always adding yes to everything he's in awe with the person says? Sometimes, it is a very dangerous thing as that person is trying to get closer to the other one. I'm sure you must've gotten what I want to ask here. Please help me out. English is not my mother-tongue, and I'm still trying to master it

I'm sure everyone must have come across a person in their lives, who doesn't seem to have his own opinion, and says yes to everything the person that he's in awe of says. Please suggest any good phrasal verb here. 

As in the person is always adding yes to everything he's in awe with the person says? Sometimes, it is a very dangerous thing as that person is trying to get closer to the other one. I'm sure you must've gotten what I want to ask here. Please help me out. English is not my mother-tongue, and I'm still trying to master it