>My 15 year old cousin lives pretty close to me >He has

Ask him if he wants to lift.

Bumping cause I'm in pretty much the same boat with my nephew

>I asked his mother but she refuses to let me do training with him

Baby steps anon. If you train the kid, it's likely the mother will cut you out completely and his only role model will be gone. How is your relationship with your uncle? See if you can pitch the idea to him, talk about the benefits and try to get him on board. Do the same with your cousin. When everyone agrees, take them to see your aunt. It'll be far harder for her to disagree.

>>40260357
If you manage to convince his mother, do note that you should be 100% committed to this. You will probably have to go to the gym with him for the first couple months and carry him through it.

>>40260654
this.

>>40260357
Just tell him all the time how great and fun it is so he pursues it himself once he's more independant.

Gotta lead by example. If you're DYEL worry about yourself first.

Seeing really fat young kids really hits me in the feels because i know how their life is going to be.

>>40260654
this desu

>>40260654
This. Your role as his perceived big brother is far more important than getting him to lift or talk to girls or whatever

>>40260357
If he looks up to you, and you lift, eventually he'll start lifting. Just say "hey bro if you ever want to learn about lifting I'd be happy to teach you" and leave it at that. If his mom has a problem with it just show here one of the billion articles about how strength training is beneficial.

>>40260357
Why the fuck is his mom against it?

>>40260357
>I'll probably train him behind his mother's back
lol no
ask him wether he wants to train and make him convince his mother. if he doesn't want to train, maybe find another hobby/activity together and get him started till he finds motivation and friends

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35KB, 484x497px

>>40260654
Thanks for the advice but if they refuse then he'll remain the way he is. 15 year olds will respect and admire him more if he gets even a little muscle. I was a lot like him back in the day and I know 15 year old me would start lifting right away if he knew the results. He's like a little brother to me and I don't want to watch him grow up knowing he could've been something more.