YOU SAID:

Yesterday I saw a cat and from that point on was happy

INTO JAPANESE

昨日、私は猫を見た、その時点から嬉しかった

BACK INTO ENGLISH

Yesterday, I saw a cat, from that point on I was happy

INTO JAPANESE

昨日、私は猫を見て、その時点から、私は幸せだった

BACK INTO ENGLISH

Yesterday I saw a cat, from that point on, I was happy

INTO JAPANESE

昨日、私は猫を見たその時点から、私は幸せだった