I studied philosophy in school but no one never told me about alife philosophy of live.

Well, I'm guess I'm kind of lying.

I think this conveys the nuance you want better.

I have read about bBuddhism but it's too exotic for me.

After reading the book I feel that those ideas can really change my livfe.

I really believe that to be happy you need to think properly, and it'this is the first time that someone offered me the tools to do it.

Look about it,it up. I recommend youit!

I studied philosophy in school but no one never told me about athis philosophy ofn livfe.

Well, I'm lyingnot exactly telling the truth.

Sounds more natural than just saying lying.

I have read about buddhism but it's too exotic for me.

After reading the book I feel that thosee presented ideas canould really change my livfe.

I realtruly believe that to be happy you need to think properositively, and it's the first time that someone has offered me the tools to do ithis.

Truly is a better word choice here. Properly is a little unclear, a better word would probably be positively, but this does not really fit stoicism. Effectively, may be a better word...it is quite a difficult idea to express.

Look about it, I recommend you look into it!