Where two kids might meet, love can end in schmaltz, consumed by sentimentality (7,3)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

PET (a term similar to ‘love’ to refer to a person who is a favourite) + TIN (can) + ( Z [ last letter of {end in} schmalt Z ] contained in [consumed by] GOO [sentimental language or sentimentality])