Celebrating Valentine’s Day is not permissible because it is an innovated festival and it promotes love and infatuation. For more, please see the detailed answer.

Correspondence and contact between men and women is one of the doors that lead to fitnah. However, it is not haram for a man or woman to like a specific person whom he or she chooses to be a spouse, and feel love for that person and want to marry them if possible.

It is permissible to sell products that people give as gifts, such as toys, flowers, cards and the like, provided that they do not involve anything prohibited. With regard to toys and teddy bears, if they are for children, there is nothing wrong with dealing in them.

• It is not permissible for the Muslim to take part in the religious celebrations of the non-Muslims and it is not permissible for them to congratulate them.

• It is permissible for Muslims to attend celebrations of the non-Muslims on their special occasions such as marriage, recovering from sickness and return from travel on condition that it serves a legitimate Shar`i interest.

• It is not permissible for the Muslim to attend celebrations of the non-Muslims or the Muslims in which there is propagation of any false religion or ideology.

• It is not permissible for the Muslim to attend any celebration of the non-Muslims or the Muslims if it is done in the manner of a repeated festival every year or every month and so on, like birthdays and Mother’s Day.

• It is not permissible for the Muslim to attend any celebration of the non-Muslims or the Muslims that is a prohibited celebration in terms of the occasion, such as Valentine’s Day.

• It is not permissible for the Muslim to attend any celebration of the non-Muslims or the Muslims in which there is mixing with women, or music, or where forbidden food is eaten.

No wise person will doubt that the relationship between a man and a non-Mahram woman is prohibited, because it involves a man being alone with a non-Mahram woman, looking at her, touching her, kissing, and speaking words filled with love and admiration, which provokes desire.