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He is responsible for his own happiness (Which you already said.. ) So you must let him provide for himself. Advise a therapist for him? Perhaps...

If you have stated he is the best boy friend ever...

Why would you even be considering other options?

It's all about preference.

Initiate the NCR immediately.

https://www.askmehelpdesk.com/relationships/list-things-do-after-breakup-78597.html
^^ This will help you mend the wounds and get through day by day... Good Luck!^^

This is what's your problem......

This boy abuses animals, verbally abuses you, so what makes you think he won't touch you?

LEAVE NOW.

You are in a potentially dangerous relationship and need to contact a counselor, police officer, or an adult that may assist you.

Asking her out through a SMS is a bad idea.

Is there any alternative in walking around the school?

And, with previous advices to date someone older might not be too bad... People older tend to know what they want.

First off, this man seems very controlling and it's good you are not with him anymore.
Second, If he wanted to see his own daughter bad enough, he will initiate it.