填空题

Smoking is bad for you, I know. I've never really liked doing it. I remembered smoking my first cigarette. I was ten when my parents allowed me to go on my first school camping trip, and that is where it happened. A friend of mine bought a packet of twenty from a cigarette machine and offered me one. I tried to refuse, but I couldn't help feeling curious. So ! tried to smoke one, and then another, and so on.
To be honest, I've never really enjoyed smoking. But giving it up is more difficult than starting. The reason why smoking is attractive to young people is that it looks mature to smoke.

What does the speaker think about smoking？
He tries to give up but （）.