puppy love 
noun [mass noun]
Intense but relatively shallow romantic attachment, associated with adolescents.Then he reels off the imponderables - physical development, puppy love, adolescent angst - that can ruin even the most promising tennis career....
- It amazes me that a relationship that was once based on lots of love or puppy love or infatuation can turn to one of pure disgust.
- The puppy love becomes an on-and-off relationship.
- non-relational
- non-relative
- non-relativistic
- non-relativistically
- non-religious
- non-remission
- non-remittance
- non-renewable
- non-representational
- non-residence
- non-residency
- non-resident
- non-residential
- non-residentiary
- non-residing
- non-resistance
- non-resistant
- non-resisting
- non-response
- non-restraint
- non-restrictive
- non-retaliation
- non-return
- non-returnable
- non-return-to-zero