Wish you a happy birthday! May you live long and a prosperous life. May success be upon every step of your life.

Have you reached home, is the correct sentence. The next one would be " Are you reaching home?" This is present continuous tense. But the first one is present perfect tense sentence.

Ego is individuals 'self esteem'. An egotistical person think himself better than others. He tends to ignore others. In most cases ego results in exerting negative attitude towards others.