If there is no fear of arousal, then the wife can be caught or hugged while fasting. This will not harm Rosa. Because it is narrated from Ayesha (R) that she used to say : Because , he was more in control of his instincts (sexual needs) than you. (Bukhari-1928) However, for all the young men who can not control themselves , it is better to refrain from kissing and hugging his wife while fasting.