Maybe he's looking for something or someone. That's a common reason for such behavior in cartoons.
The cartoon girl might be looking to the side because she's avoiding eye contact with someone or something in front of her. Maybe she's also waiting for someone to come from that direction.
Maybe they saw something interesting off to the side that caught their attention.
Maybe it's trying to catch something interesting out of its normal view.
Maybe it's looking for something interesting or someone to catch its attention.
The reason might be that there's a sound or movement on the opposite side that piqued the bear's interest. Maybe it's a natural instinct for the bear to explore and look in that direction.
Maybe he's taking a stroll to enjoy the scenery.
Maybe he's waiting for a friend or a bus.
It could be to show curiosity or to catch something out of the corner of their eye. Maybe they heard a strange noise or saw something interesting off to the side.
Maybe it's a gesture of love or a special occasion. Could be just a random act to make her happy.
Maybe she's distracted by something off to the side that caught her attention.