When it comes to referring to your significant other in English, there are a variety of terms that can be used depending on your relationship and personal preference. One common term used to refer to a boyfriend is 'boyfriend' itself. This is a straightforward and widely recognized term that can be used in both formal and informal settings.

However, some people may prefer to use more affectionate terms for their partner. These could include 'love,' 'honey,' 'sweetheart,' or 'baby.' These terms are more personal and intimate, and are often used in private settings or between couples who are very close.

Another option is to use a nickname or pet name for your boyfriend. This could be a name that you've chosen together, or something that's unique to your relationship. Examples of pet names might include 'babe,' 'boo,' 'pumpkin,' or 'snugglebug.'

Ultimately, the term you choose to use for your boyfriend will depend on your personal preferences and your relationship dynamics. Whether you opt for a straightforward term like 'boyfriend' or a more affectionate nickname, the most important thing is that it feels natural and comfortable for both you and your partner.