Being cool when you're in love can be challenging, as emotions tend to run high during this time. However, here are some tips to help you maintain a sense of coolness:

1. Stay true to yourself: It's important to maintain your own identity and not let love completely consume you. Continue to pursue your own interests, spend time with friends, and engage in activities that you enjoy. This will not only keep you balanced but will also make you more attractive and interesting to your partner.

2. Avoid being too clingy: While it's natural to want to spend a lot of time with your partner when you're in love, being overly clingy can be off-putting. Give your partner space and allow them to have their own separate lives and interests. This will not only give them room to breathe but will also prevent you from appearing desperate or needy.

3. Practice good communication: Effective communication is crucial in any relationship. Be open and honest with your partner about your feelings, needs, and concerns. Avoid playing mind games or withholding information, as this can lead to unnecessary drama or misunderstandings.

4. Be confident: Confidence is attractive, so work on building your self-esteem. Know your worth, accept yourself as you are, and project a positive attitude. When you exude self-assurance, others are naturally drawn to you.

5. Maintain a healthy balance: It's easy to get swept up in the initial excitement of a new relationship, but it's essential to maintain a balance between your love life and other aspects of your life. Don't neglect your career, friendships, or personal growth for the sake of your relationship. Remember that a healthy relationship should complement your life, not be your entire life.

6. Don't rush things: Take your time in getting to know your partner and building a strong foundation. Rushing into things can cause unnecessary stress and potentially lead to disappointment or heartbreak. Enjoy the journey and let things unfold naturally.

Remember, being "cool" doesn't mean being aloof or indifferent. It means finding a healthy balance between your emotional investment in the relationship and your own personal growth and well-being.